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.

A212858 Number of 5 X n arrays with rows being permutations of 0..n-1 and no column j greater than column j-1 in all rows.

Table of values

n a(n)
0 1
1 1
2 31
3 7291
4 7225951
5 21855093751
6 164481310134301
7 2675558106868421881
8 84853928323286139485791
9 4849446032811641059203617551
10 469353176282647626764795665676281
11 73159514984813223626195834388445570381
12 17619138865526260905773841471696025142373661

List of values

[1, 1, 31, 7291, 7225951, 21855093751, 164481310134301, 2675558106868421881, 84853928323286139485791, 4849446032811641059203617551, 469353176282647626764795665676281, 73159514984813223626195834388445570381, 17619138865526260905773841471696025142373661]

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

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