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.

A283654 Triangle T(n,m) read by rows: number of n X m binary matrices with no rows or columns in which all entries are the same (n >= 1, 1 <= m <= n).

Table of values

n a(n)
1 0
2 0
3 2
4 0
5 6
6 102
7 0
8 14
9 906
10 22874
11 0
12 30
13 6510
14 417810
15 17633670
16 0
17 62
18 42666
19 6644714
20 622433730
21 46959933962
22 0
23 126
24 267582
25 99044946
26 20218802310
27 3204360965106
28 451575174961302
29 0
30 254
31 1641786
32 1430529674
33 630917888610
34 208308918928634
35 60134626974122946
36 16271255119687320314

List of values

[0, 0, 2, 0, 6, 102, 0, 14, 906, 22874, 0, 30, 6510, 417810, 17633670, 0, 62, 42666, 6644714, 622433730, 46959933962, 0, 126, 267582, 99044946, 20218802310, 3204360965106, 451575174961302, 0, 254, 1641786, 1430529674, 630917888610, 208308918928634, 60134626974122946, 16271255119687320314]