A218671 - cp's OEIS frontend

A218671 O.g.f.: Sum_{n>=0} n^(2n) (1+nx)^n x^n/n! * exp(-n^2x(1+n*x)).

n	a(n)
0	1
1	1
2	8
3	120
4	2635
5	76503
6	2764957
7	119634152
8	6030195490
9	347037131298
10	22453144758980
11	1613322276606404
12	127466755375275614
13	10983423290600347408
14	1025046637630590359928
15	103004615955568528609200
16	11088429267977228122393005
17	1273093489376335864500416685

[1, 1, 8, 120, 2635, 76503, 2764957, 119634152, 6030195490, 347037131298, 22453144758980, 1613322276606404, 127466755375275614, 10983423290600347408, 1025046637630590359928, 103004615955568528609200, 11088429267977228122393005, 1273093489376335864500416685]

cp's OEIS Frontend

A218671 O.g.f.: Sum_{n>=0} n^(2n) (1+nx)^n x^n/n! * exp(-n^2x(1+n*x)).

Table of values

List of values

cp's OEIS Frontend

A218671 O.g.f.: Sum_{n>=0} n^(2*n) * (1+n*x)^n * x^n/n! * exp(-n^2*x*(1+n*x)).

Table of values

List of values

A218671 O.g.f.: Sum_{n>=0} n^(2n) (1+nx)^n x^n/n! * exp(-n^2x(1+n*x)).