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Forgive me for the unoriginal title, it's been a while since I made a puzzle.

Just a simple number sequence, find X and give reasoning/pattern

1, 1, 2, 4, 3, 9, 4, 61, 5, 52, 6, 63, 7, 94, 8, X

Disclaimer: I did search to see if this was a duplicate, but not very hard. Let me know if it is.

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The answer is

46

as the sequence is

each positive integer followed by the reverse of its square.

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