A325586 - cp's OEIS frontend

A325586 G.f.: Sum_{n>=0} (n+1)(n+2)/2 x^n * (1+x)^(n*(n+2)).

n	a(n)
0	1
1	3
2	15
3	67
4	336
5	1767
6	9873
7	58221
8	360930
9	2345469
10	15926115
11	112702725
12	829218143
13	6329731749
14	50032666719
15	408810685879
16	3447546750090
17	29963861568735
18	268051909321565
19	2465213070499965
20	23282355990573738
21	225577403162464915
22	2240023319131286013
23	22778185448591006709
24	236997065442660095669
25	2521130509681288754841
26	27401150807636634911205
27	304071227823781106763523
28	3443058535424619400592874

[1, 3, 15, 67, 336, 1767, 9873, 58221, 360930, 2345469, 15926115, 112702725, 829218143, 6329731749, 50032666719, 408810685879, 3447546750090, 29963861568735, 268051909321565, 2465213070499965, 23282355990573738, 225577403162464915, 2240023319131286013, 22778185448591006709, 236997065442660095669, 2521130509681288754841, 27401150807636634911205, 304071227823781106763523, 3443058535424619400592874]

cp's OEIS Frontend

A325586 G.f.: Sum_{n>=0} (n+1)(n+2)/2 x^n * (1+x)^(n*(n+2)).

Table of values

List of values

cp's OEIS Frontend

A325586 G.f.: Sum_{n>=0} (n+1)*(n+2)/2 * x^n * (1+x)^(n*(n+2)).

Table of values

List of values

A325586 G.f.: Sum_{n>=0} (n+1)(n+2)/2 x^n * (1+x)^(n*(n+2)).