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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A065790 a(1) = 64; for n > 1, a(n) is the smallest integer > 0 such that the concatenation a(n)a(n-1)...a(2)a(1) is a square.

Table of values

n a(n)
1 64
2 17
3 604
4 9612
5 85848855
6 109457393440691436
7 16484027824615378535694780556419522
8 2537811713051483817817710620248313487995814710180147690293469081793581

List of values

[64, 17, 604, 9612, 85848855, 109457393440691436, 16484027824615378535694780556419522, 2537811713051483817817710620248313487995814710180147690293469081793581]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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