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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.

A186915 T(n,k)=Number of (n+2)X(k+2) 0..6 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Table of values

n a(n)
1 2066505
2 59969593
3 59969593
4 1276581035
5 2974946682
6 1276581035
7 22000126445
8 99241308567
9 99241308567
10 22000126445
11 319741716426
12 2536761070723
13 4813465754996
14 2536761070723
15 319741716426
16 4028133387613
17 52666517720011

List of values

[2066505, 59969593, 59969593, 1276581035, 2974946682, 1276581035, 22000126445, 99241308567, 99241308567, 22000126445, 319741716426, 2536761070723, 4813465754996, 2536761070723, 319741716426, 4028133387613, 52666517720011]

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

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