A129115 - cp's OEIS frontend

A129115 Number of unrooted unlabeled not necessarily connected triangular maps on a compact closed oriented surface with 2n faces (and thus 3n edges).

n	a(n)
0	1
1	3
2	17
3	124
4	1618
5	33564
6	956263
7	33736198
8	1402665692
9	66902717187
10	3596481426812
11	215049652739982
12	14154852098315796
13	1016911004448831247
14	79174846391508487198
15	6640511488761139957873
16	596865894849670793348763
17	57234563024075319273338452
18	5832189914390355126473955563

[1, 3, 17, 124, 1618, 33564, 956263, 33736198, 1402665692, 66902717187, 3596481426812, 215049652739982, 14154852098315796, 1016911004448831247, 79174846391508487198, 6640511488761139957873, 596865894849670793348763, 57234563024075319273338452, 5832189914390355126473955563]

cp's OEIS Frontend

A129115 Number of unrooted unlabeled not necessarily connected triangular maps on a compact closed oriented surface with 2n faces (and thus 3n edges).

Table of values

List of values