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.

A381554 Number of 2*n X 8 binary arrays with row sums 4 and column sums n, avoiding the patterns 010 and 101 in any row and column.

Table of values

n a(n)
0 1
1 18
2 324
3 2776
4 34586
5 575270
6 10061200
7 194929482
8 4115573632
9 91947761368
10 2167131637540
11 53550929019486
12 1376887129235964
13 36670419524921146
14 1007581514656491404
15 28454294028011307236
16 823234343053953729538

List of values

[1, 18, 324, 2776, 34586, 575270, 10061200, 194929482, 4115573632, 91947761368, 2167131637540, 53550929019486, 1376887129235964, 36670419524921146, 1007581514656491404, 28454294028011307236, 823234343053953729538]

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

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