A211892 - cp's OEIS frontend

A211892 G.f.: exp( Sum_{n>=1} 3 * Jacobsthal(n^2) * x^n/n ), where Jacobsthal(n) = A001045(n).

n	a(n)
0	1
1	3
2	12
3	198
4	16962
5	6762210
6	11473594848
7	80455865485692
8	2306084412391039038
9	268657100633050977422322
10	126765866001055606588876061400
11	241678197713843578271875740922972788
12	1858396158245858742065123341776166504084452

[1, 3, 12, 198, 16962, 6762210, 11473594848, 80455865485692, 2306084412391039038, 268657100633050977422322, 126765866001055606588876061400, 241678197713843578271875740922972788, 1858396158245858742065123341776166504084452]

cp's OEIS Frontend

A211892 G.f.: exp( Sum_{n>=1} 3 * Jacobsthal(n^2) * x^n/n ), where Jacobsthal(n) = A001045(n).

Table of values

List of values