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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.

A249564 a(n) = Sum_{k = 0..n} (k*(k+1)/2)^n.

Table of values

n a(n)
0 1
1 1
2 10
3 244
4 11378
5 867395
6 98204132
7 15475158552
8 3239399341956
9 869652788703285
10 291315412833808702
11 119114020598815073524
12 58386684085633233147478
13 33797341113242898165287495
14 22810507257314647778044971848
15 17755122836243141585656207243952

List of values

[1, 1, 10, 244, 11378, 867395, 98204132, 15475158552, 3239399341956, 869652788703285, 291315412833808702, 119114020598815073524, 58386684085633233147478, 33797341113242898165287495, 22810507257314647778044971848, 17755122836243141585656207243952]

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

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