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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.

A251245 Number of (n+1)X(4+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements less than the minimum of its antidiagonal elements.

Table of values

n a(n)
1 42525
2 7530633
3 1333268433
4 236035946835
5 41786532918513
6 7397658897202791
7 1309640978922956217
8 231851661109674461595
9 41045747464323823946625
10 7266514192354994223128283
11 1286423850879599442443706681

List of values

[42525, 7530633, 1333268433, 236035946835, 41786532918513, 7397658897202791, 1309640978922956217, 231851661109674461595, 41045747464323823946625, 7266514192354994223128283, 1286423850879599442443706681]

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

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