A188203 - cp's OEIS frontend

A188203 G.f.: exp( Sum_{n>=1} A188202(n)x^n/n ) where A188202(n) = [x^n] (1 + 2^nx + x^2)^n.

n	a(n)
0	1
1	2
2	11
3	206
4	17586
5	6878604
6	11551087875
7	80650796495414
8	2307974943300931286
9	268728588584911887188180
10	126776477973814964972206209838
11	241684409250478693507166916367088620

[1, 2, 11, 206, 17586, 6878604, 11551087875, 80650796495414, 2307974943300931286, 268728588584911887188180, 126776477973814964972206209838, 241684409250478693507166916367088620]

cp's OEIS Frontend

A188203 G.f.: exp( Sum_{n>=1} A188202(n)x^n/n ) where A188202(n) = [x^n] (1 + 2^nx + x^2)^n.

Table of values

List of values

cp's OEIS Frontend

A188203 G.f.: exp( Sum_{n>=1} A188202(n)*x^n/n ) where A188202(n) = [x^n] (1 + 2^n*x + x^2)^n.

Table of values

List of values

A188203 G.f.: exp( Sum_{n>=1} A188202(n)x^n/n ) where A188202(n) = [x^n] (1 + 2^nx + x^2)^n.