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.

A203361 Number of nX7 binary arrays with every 1 immediately preceded by 0 to the left or above.

Table of values

n a(n)
1 21
2 1640
3 89610
4 5390325
5 314688054
6 18550312526
7 1089970014327
8 64114204398028
9 3769915844080995
10 221699388876599524
11 13037021233036033635
12 766652822812020772883
13 45083423150083817466414
14 2651159090798112000786121

List of values

[21, 1640, 89610, 5390325, 314688054, 18550312526, 1089970014327, 64114204398028, 3769915844080995, 221699388876599524, 13037021233036033635, 766652822812020772883, 45083423150083817466414, 2651159090798112000786121]

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

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