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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.

A153470 1/7 of the number of 7-colorings of a planar n X n X n triangular grid.

Table of values

n a(n)
1 1
2 30
3 3750
4 1953750
5 4242798750
6 38404604583750
7 1448977637979903750
8 227870224522898915943750
9 149369176223578379939728893750
10 408114381491174443782294469248048750
11 4647830909678374872940213803359098309308750

List of values

[1, 30, 3750, 1953750, 4242798750, 38404604583750, 1448977637979903750, 227870224522898915943750, 149369176223578379939728893750, 408114381491174443782294469248048750, 4647830909678374872940213803359098309308750]

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

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