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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.

A013963 a(n) = sigma_15(n), the sum of the 15th powers of the divisors of n.

Table of values

n a(n)
1 1
2 32769
3 14348908
4 1073774593
5 30517578126
6 470199366252
7 4747561509944
8 35185445863425
9 205891146443557
10 1000030517610894
11 4177248169415652
12 15407492847694444
13 51185893014090758
14 155572843119354936
15 437893920912786408
16 1152956690052710401
17 2862423051509815794

List of values

[1, 32769, 14348908, 1073774593, 30517578126, 470199366252, 4747561509944, 35185445863425, 205891146443557, 1000030517610894, 4177248169415652, 15407492847694444, 51185893014090758, 155572843119354936, 437893920912786408, 1152956690052710401, 2862423051509815794]

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

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