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.

A184568 Number of (n+2)X5 0..3 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Table of values

n a(n)
1 545662
2 6803631
3 57374460
4 380532059
5 2113138210
6 10202200416
7 43935544294
8 171891306894
9 619309263773
10 2076328840978
11 6531156334265
12 19403953247374
13 54753242158853
14 147433311933367
15 380373129645753
16 943599791869542

List of values

[545662, 6803631, 57374460, 380532059, 2113138210, 10202200416, 43935544294, 171891306894, 619309263773, 2076328840978, 6531156334265, 19403953247374, 54753242158853, 147433311933367, 380373129645753, 943599791869542]

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

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