A379439 - cp's OEIS frontend

A379439 Triangle read by rows: T(n,k) is the number of unsensed combinatorial maps with n edges and genus k, 0 <= k <= floor(n/2).

n	a(n)
0	1
1	2
2	4
3	1
4	14
5	6
6	52
7	40
8	4
9	248
10	320
11	76
12	1416
13	2946
14	1395
15	82
16	9172
17	29364
18	24950
19	4348
20	66366
21	309558
22	427336
23	160050
24	7258
25	518868
26	3365108
27	6987100
28	4696504
29	688976
30	4301350
31	37246245
32	109761827
33	118353618
34	37466297
35	1491629
36	37230364
37	416751008
38	1668376886
39	2675297588
40	1512650776
41	195728778

[1, 2, 4, 1, 14, 6, 52, 40, 4, 248, 320, 76, 1416, 2946, 1395, 82, 9172, 29364, 24950, 4348, 66366, 309558, 427336, 160050, 7258, 518868, 3365108, 6987100, 4696504, 688976, 4301350, 37246245, 109761827, 118353618, 37466297, 1491629, 37230364, 416751008, 1668376886, 2675297588, 1512650776, 195728778]

cp's OEIS Frontend

A379439 Triangle read by rows: T(n,k) is the number of unsensed combinatorial maps with n edges and genus k, 0 <= k <= floor(n/2).

Table of values

List of values