A269919 - cp's OEIS frontend

A269919 Triangle read by rows: T(n,g) is the number of rooted maps with n edges on an orientable surface of genus g.

n	a(n)
0	1
1	2
2	9
3	1
4	54
5	20
6	378
7	307
8	21
9	2916
10	4280
11	966
12	24057
13	56914
14	27954
15	1485
16	208494
17	736568
18	650076
19	113256
20	1876446
21	9370183
22	13271982
23	5008230
24	225225
25	17399772
26	117822512
27	248371380
28	167808024
29	24635754
30	165297834
31	1469283166
32	4366441128

[1, 2, 9, 1, 54, 20, 378, 307, 21, 2916, 4280, 966, 24057, 56914, 27954, 1485, 208494, 736568, 650076, 113256, 1876446, 9370183, 13271982, 5008230, 225225, 17399772, 117822512, 248371380, 167808024, 24635754, 165297834, 1469283166, 4366441128]

cp's OEIS Frontend

A269919 Triangle read by rows: T(n,g) is the number of rooted maps with n edges on an orientable surface of genus g.

Table of values

List of values