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.

A146090 Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 4 and every element equal to at least one neighbor.

Table of values

n a(n)
3 1
4 93
5 538
6 1532
7 3630
8 7540
9 14138
10 24480
11 39802
12 61520
13 91230
14 130708
15 181910
16 246972
17 328210
18 428120
19 549378
20 694840
21 867542
22 1070700
23 1307710
24 1582148
25 1897770
26 2258512
27 2668490
28 3132000
29 3653518
30 4237700
31 4889382
32 5613580

List of values

[1, 93, 538, 1532, 3630, 7540, 14138, 24480, 39802, 61520, 91230, 130708, 181910, 246972, 328210, 428120, 549378, 694840, 867542, 1070700, 1307710, 1582148, 1897770, 2258512, 2668490, 3132000, 3653518, 4237700, 4889382, 5613580]