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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.

A283369 a(n) = Sum_{d|n} d^(4*d + 1).

Table of values

n a(n)
1 1
2 513
3 1594324
4 17179869697
5 476837158203126
6 28430288029931296212
7 3219905755813179726837608
8 633825300114114700765531472385
9 202755595904452569706561330874548093
10 100000000000000000000000000476837158203638

List of values

[1, 513, 1594324, 17179869697, 476837158203126, 28430288029931296212, 3219905755813179726837608, 633825300114114700765531472385, 202755595904452569706561330874548093, 100000000000000000000000000476837158203638]

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

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