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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.

A178187 Numerators of sum (1/3)^((k^2+3k)/2) from k=1 to n.

Table of values

n a(n)
1 1
2 28
3 2269
4 551368
5 401947273
6 879058686052
7 5767504039187173
8 113521782003321126160
9 6703347705514109178621841
10 1187477935988707898665323267628
11 631074461779774914374598062671491949

List of values

[1, 28, 2269, 551368, 401947273, 879058686052, 5767504039187173, 113521782003321126160, 6703347705514109178621841, 1187477935988707898665323267628, 631074461779774914374598062671491949]

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

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