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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.

A360776 Expansion of Sum_{k>=0} (x * (k + x^3))^k.

Table of values

n a(n)
0 1
1 1
2 4
3 27
4 257
5 3129
6 46683
7 823799
8 16780342
9 387467154
10 10000823639
11 285328449077
12 8916487888186
13 302885106945216
14 11112292144568909
15 437902806653498835
16 18447046953316227905
17 827251374022851280231
18 39346845973273509115167

List of values

[1, 1, 4, 27, 257, 3129, 46683, 823799, 16780342, 387467154, 10000823639, 285328449077, 8916487888186, 302885106945216, 11112292144568909, 437902806653498835, 18447046953316227905, 827251374022851280231, 39346845973273509115167]

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

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