A213977 - cp's OEIS frontend

A213977 Number of n X n matrices with entries 0 and 1 and no 2 X 2 submatrix of form [ 1 1; 0 0 ].

n	a(n)
0	1
1	2
2	14
3	200
4	3536
5	67472
6	1423168
7	34048352
8	927156224
9	28490354432
10	976839578624
11	36983803914752
12	1532587515049984
13	68997562105014272
14	3353462146559209472
15	175003916852177604608
16	9760034505494167420928
17	579311442062239341412352
18	36462558160899681920745472
19	2425761875540844266778656768

[1, 2, 14, 200, 3536, 67472, 1423168, 34048352, 927156224, 28490354432, 976839578624, 36983803914752, 1532587515049984, 68997562105014272, 3353462146559209472, 175003916852177604608, 9760034505494167420928, 579311442062239341412352, 36462558160899681920745472, 2425761875540844266778656768]

cp's OEIS Frontend

A213977 Number of n X n matrices with entries 0 and 1 and no 2 X 2 submatrix of form [ 1 1; 0 0 ].

Table of values

List of values