A212241 - cp's OEIS frontend

A212241 Number of 2 X 2 matrices M with terms in {1,...,n} such that permanent(M) > n.

n	a(n)
0	0
1	1
2	15
3	76
4	243
5	598
6	1249
7	2326
8	3984
9	6405
10	9786
11	14363
12	20378
13	28117
14	37864
15	49965
16	64740
17	82591
18	103877
19	129062
20	158543
21	192832
22	232371
23	277740
24	329399
25	388002
26	454043
27	528220
28	611087
29	703402
30	805721
31	918898
32	1043520
33	1180469

[0, 1, 15, 76, 243, 598, 1249, 2326, 3984, 6405, 9786, 14363, 20378, 28117, 37864, 49965, 64740, 82591, 103877, 129062, 158543, 192832, 232371, 277740, 329399, 388002, 454043, 528220, 611087, 703402, 805721, 918898, 1043520, 1180469]

cp's OEIS Frontend

A212241 Number of 2 X 2 matrices M with terms in {1,...,n} such that permanent(M) > n.

Table of values

List of values