# Another predictable sequence: 1, 1, 2, 2, 1, 17, etc

This puzzle is part of the Monthly Topic Challenge #6: Is it really that [time] again?.

Can you find the pattern? Note: The next number hasn't been worked out yet.

1 1 2 2 1 17 11 13 4 4 5 5 5 5 5 5 5 5 5


Another note: This sequence is part of the fraternity crossword, linked from Clue 6×101.

Hint 1:

This sequence is generated in roughly the same way as this one, but is based on a different series of events.

• I'm not sure if this puzzle fits the criteria of the challenge. The fact that all the currently-found terms are either square or prime doesn't seem to matter. Jan 25 at 8:17
• I think it fits perfectly - it's a question related to time... That's all that's required :)
– Stiv
Jan 25 at 10:01
• @Stiv I don't think it deserves the "time" tag, according to the answer. Jan 26 at 10:59

This sequence represents...

...the number of years (hence the tag) served in each 'electoral term' by the Leader(s) of the Central Committee of the Chinese Communist Party.

The terms represent:

1 = Chen Duxiu (1921-22)
1 = Chen Duxiu (1922-23)
2 = Chen Duxiu (1923-25)
2 = Chen Duxiu (1925-27)
1 = Xiang Zhongfa (1927-28)
17 = Bo Gu/Zhang Wentian/Mao Zedong (1928-45)
11 = Mao Zedong (1945-56)
13 = Mao Zedong (1956-69)
4 = Mao Zedong (1969-73)
4 = Mao Zedong (1973-77)
5 = Hua Guofeng/Hu Yaobang (1977-82)
5 = Hu Yaobang/Zhao Ziyang (1982-87)
5 = Zhao Ziyang/Jiang Zemin (1987-92)
5 = Jiang Zemin (1992-97)
5 = Jiang Zemin (1997-2002)
5 = Hu Jintao (2002-07)
5 = Hu Jintao (2007-12)
5 = Xi Jinping (2012-17)
5 = Xi Jinping (2017-22)

The next term in the sequence is not yet known, because...

...Xi Jinping's current term as leader began in 2022 but is not yet completed.

• Why most questions are more based on general knowledge than on puzzling ? Jan 25 at 17:57
• @An_Elephant I wouldn't say 'most' - take a look at some specific tags to get a feel for what else is out there on the site. General knowledge is a legitimate element to a puzzle, but you definitely want variety...
– Stiv
Jan 25 at 18:14
• No, I was seeing famous questions. Jan 26 at 9:13