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.

A223738 Number of n X 4 0..2 arrays with rows, columns, diagonals and antidiagonals unimodal.

Table of values

n a(n)
1 46
2 2116
3 42090
4 480236
5 3868968
6 24527068
7 129982953
8 597438379
9 2440360420
10 9014646324
11 30516683840
12 95673407206
13 280189387450
14 772054552094
15 2013904240777
16 4999298886201
17 11864241181898
18 27024721429998

List of values

[46, 2116, 42090, 480236, 3868968, 24527068, 129982953, 597438379, 2440360420, 9014646324, 30516683840, 95673407206, 280189387450, 772054552094, 2013904240777, 4999298886201, 11864241181898, 27024721429998]

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

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