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.

A219470 Number of nX7 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 nX7 array.

Table of values

n a(n)
1 84
2 2663
3 674954
4 157191488
5 29873644925
6 4758315482104
7 664221777830589
8 85045859176792827

List of values

[84, 2663, 674954, 157191488, 29873644925, 4758315482104, 664221777830589, 85045859176792827]

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

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