A168592 - cp's OEIS frontend

A168592 G.f.: exp( Sum_{n>=1} A082758(n)*x^n/n ), where A082758(n) = sum of the squares of the trinomial coefficients in row n of triangle A027907.

n	a(n)
0	1
1	3
2	14
3	80
4	509
5	3459
6	24579
7	180389
8	1356743
9	10402493
10	81004516
11	638886082
12	5093081983
13	40971735401
14	332187974718
15	2711668091448
16	22267979870143
17	183830653156341
18	1524747465249750
19	12700172705956876
20	106187411693668179

[1, 3, 14, 80, 509, 3459, 24579, 180389, 1356743, 10402493, 81004516, 638886082, 5093081983, 40971735401, 332187974718, 2711668091448, 22267979870143, 183830653156341, 1524747465249750, 12700172705956876, 106187411693668179]

cp's OEIS Frontend

A168592 G.f.: exp( Sum_{n>=1} A082758(n)*x^n/n ), where A082758(n) = sum of the squares of the trinomial coefficients in row n of triangle A027907.

Table of values

List of values