cp's OEIS Frontend

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.

A223060 Number of n X 6 0..3 arrays with all horizontally or vertically connected equal values in a straight line, and new values 0..3 introduced in row major order.

Table of values

n a(n)
1 187
2 255045
3 412602889
4 677531592132
5 1115636153544055
6 1837966217755803448
7 3028264612325675509047
8 4989509449716896144976736
9 8220974979731088191278751151
10 13545313950246233778034214834568

List of values

[187, 255045, 412602889, 677531592132, 1115636153544055, 1837966217755803448, 3028264612325675509047, 4989509449716896144976736, 8220974979731088191278751151, 13545313950246233778034214834568]

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

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