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What is the next number in the sequence 1, 121, 12321, 1234321, ... ?
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guess, i bet you get in on the first try
yep
lol 123454321 ?
correct
It's a pattern of \(\sf\Large 1^2, 11^2, 111^2, 1111^2, 11111^2,~ and~so~on\)
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amirite? @satellite73 xD
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