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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.

A184757 Half the number of n X 5 binary arrays with no 1 having an adjacent 1 both above and to its left.

Table of values

n a(n)
1 16
2 317
3 6847
4 145778
5 3110914
6 66363023
7 1415755252
8 30202770902
9 644326291402
10 13745636657969
11 293240447607511
12 6255800447755343
13 133457166530876185
14 2847088145920628222
15 60737921547191898319
16 1295743203159170280830

List of values

[16, 317, 6847, 145778, 3110914, 66363023, 1415755252, 30202770902, 644326291402, 13745636657969, 293240447607511, 6255800447755343, 133457166530876185, 2847088145920628222, 60737921547191898319, 1295743203159170280830]

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

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