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.

A297759 Number of nX5 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 4 neighboring 1s.

Table of values

n a(n)
1 1
2 78
3 734
4 7081
5 109228
6 1456855
7 18733087
8 251641086
9 3354939709
10 44459037210
11 591410913625
12 7865974374583
13 104544861995486
14 1389898494780143
15 18479036986992209
16 245664832111845278
17 3265995303275846454

List of values

[1, 78, 734, 7081, 109228, 1456855, 18733087, 251641086, 3354939709, 44459037210, 591410913625, 7865974374583, 104544861995486, 1389898494780143, 18479036986992209, 245664832111845278, 3265995303275846454]

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

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