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.

A250441 Number of (n+1)X(6+1) 0..2 arrays with nondecreasing sum of every two consecutive values in every row and column.

Table of values

n a(n)
1 22500
2 787500
3 27562500
4 450187500
5 7353062500
6 74118870000
7 747118209600
8 5379251109120
9 38730607985664
10 217365657062400
11 1219909299840000
12 5648304538800000
13 26152226372250000
14 103882454756437500

List of values

[22500, 787500, 27562500, 450187500, 7353062500, 74118870000, 747118209600, 5379251109120, 38730607985664, 217365657062400, 1219909299840000, 5648304538800000, 26152226372250000, 103882454756437500]

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

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