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.

A184570 Number of (n+2)X7 0..3 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Table of values

n a(n)
1 9496395
2 179122657
3 2113138210
4 18803004899
5 136680720320
6 848542379467
7 4626643143791
8 22587829272879
9 100176548344077
10 408222405584237
11 1542895435045954
12 5451380899694523
13 18127035085729328
14 57057694316853427

List of values

[9496395, 179122657, 2113138210, 18803004899, 136680720320, 848542379467, 4626643143791, 22587829272879, 100176548344077, 408222405584237, 1542895435045954, 5451380899694523, 18127035085729328, 57057694316853427]

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

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