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.

A219468 Number of nX5 arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..3 nX5 array.

Table of values

n a(n)
1 35
2 547
3 28159
4 1227441
5 43792361
6 1357658929
7 37552353044
8 947150536824
9 22129769822973
10 483036569368799
11 9904217535401123
12 191717483791553680
13 3519902109176030571
14 61551065872538233732
15 1028861754560712576407

List of values

[35, 547, 28159, 1227441, 43792361, 1357658929, 37552353044, 947150536824, 22129769822973, 483036569368799, 9904217535401123, 191717483791553680, 3519902109176030571, 61551065872538233732, 1028861754560712576407]

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

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