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.

A266097 Number of nX4 integer arrays with each element equal to the number of horizontal and antidiagonal neighbors exactly one smaller than itself.

Table of values

n a(n)
1 5
2 36
3 161
4 929
5 4893
6 26948
7 145274
8 790986
9 4286644
10 23281595
11 126318252
12 685685972
13 3721248548
14 20197452145
15 109618496442
16 594950280201
17 3229037349370
18 17525382955525
19 95117628995827
20 516243924279843

List of values

[5, 36, 161, 929, 4893, 26948, 145274, 790986, 4286644, 23281595, 126318252, 685685972, 3721248548, 20197452145, 109618496442, 594950280201, 3229037349370, 17525382955525, 95117628995827, 516243924279843]

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

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