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.

A250767 Number of (n+1) X (6+1) 0..1 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction.

Table of values

n a(n)
1 262
2 410
3 622
4 962
5 1558
6 2666
7 4798
8 8978
9 17254
10 33722
11 66574
12 132194
13 263350
14 525578
15 1049950
16 2098610
17 4195846
18 8390234
19 16778926
20 33556226
21 67110742
22 134219690
23 268437502
24 536873042
25 1073744038
26 2147485946
27 4294969678

List of values

[262, 410, 622, 962, 1558, 2666, 4798, 8978, 17254, 33722, 66574, 132194, 263350, 525578, 1049950, 2098610, 4195846, 8390234, 16778926, 33556226, 67110742, 134219690, 268437502, 536873042, 1073744038, 2147485946, 4294969678]