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.

A197249 Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,0,1,1,1 for x=0,1,2,3,4.

Table of values

n a(n)
1 2
2 192
3 1035
4 16773
5 213912
6 3264225
7 48703999
8 692974749
9 9613268927
10 144634486646
11 2038308764828
12 29317910548935
13 416838295672468
14 6110472912181664
15 87970427980764925
16 1247341042216025997

List of values

[2, 192, 1035, 16773, 213912, 3264225, 48703999, 692974749, 9613268927, 144634486646, 2038308764828, 29317910548935, 416838295672468, 6110472912181664, 87970427980764925, 1247341042216025997]

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

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