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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.

A360770 Expansion of Sum_{k>0} (x * (k + x^k))^k.

Table of values

n a(n)
1 1
2 5
3 27
4 260
5 3125
6 46684
7 823543
8 16777472
9 387420498
10 10000003125
11 285311670611
12 8916100495009
13 302875106592253
14 11112006826381559
15 437893890380860625
16 18446744073726328848
17 827240261886336764177
18 39346408075296925015353

List of values

[1, 5, 27, 260, 3125, 46684, 823543, 16777472, 387420498, 10000003125, 285311670611, 8916100495009, 302875106592253, 11112006826381559, 437893890380860625, 18446744073726328848, 827240261886336764177, 39346408075296925015353]

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

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