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.

A183985 1/4 the number of (n+1) X 9 binary arrays with all 2 X 2 subblock sums the same.

Table of values

n a(n)
1 153
2 155
3 158
4 164
5 174
6 194
7 230
8 302
9 438
10 710
11 1238
12 2294
13 4374
14 8534
15 16790
16 33302
17 66198
18 131990
19 263318
20 525974
21 1050774
22 2100374
23 4198550
24 8394902
25 16785558
26 33566870
27 67125398
28 134242454
29 268468374
30 536920214
31 1073807510
32 2147582102

List of values

[153, 155, 158, 164, 174, 194, 230, 302, 438, 710, 1238, 2294, 4374, 8534, 16790, 33302, 66198, 131990, 263318, 525974, 1050774, 2100374, 4198550, 8394902, 16785558, 33566870, 67125398, 134242454, 268468374, 536920214, 1073807510, 2147582102]