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.

A250971 Number of (n+1)X(6+1) 0..1 arrays with no 2X2 subblock having the sum of its diagonal elements less than the absolute difference of its antidiagonal elements.

Table of values

n a(n)
1 7448
2 489543
3 32124018
4 2112130109
5 138900769559
6 9135168475316
7 600808386292820
8 39514486757351514
9 2598824818868706096
10 170921926401546121395
11 11241352463500152822391
12 739331740764868834365986

List of values

[7448, 489543, 32124018, 2112130109, 138900769559, 9135168475316, 600808386292820, 39514486757351514, 2598824818868706096, 170921926401546121395, 11241352463500152822391, 739331740764868834365986]

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

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