A326605 - cp's OEIS frontend

A326605 G.f.: Sum_{n>=0} (2n + 1) x^n * (9 - x^n)^n.

n	a(n)
0	1
1	27
2	402
3	5103
4	58959
5	649539
6	6907037
7	71744535
8	731768013
9	7360989480
10	73222111566
11	721764371007
12	7060733810570
13	68630377364883
14	663426925392564
15	6382625095014309
16	61149665581626645
17	583701359488329915
18	5553501498629257581
19	52683216989246691471
20	498464283739975769250

[1, 27, 402, 5103, 58959, 649539, 6907037, 71744535, 731768013, 7360989480, 73222111566, 721764371007, 7060733810570, 68630377364883, 663426925392564, 6382625095014309, 61149665581626645, 583701359488329915, 5553501498629257581, 52683216989246691471, 498464283739975769250]

cp's OEIS Frontend

A326605 G.f.: Sum_{n>=0} (2n + 1) x^n * (9 - x^n)^n.

Table of values

List of values

cp's OEIS Frontend

A326605 G.f.: Sum_{n>=0} (2*n + 1) * x^n * (9 - x^n)^n.

Table of values

List of values

A326605 G.f.: Sum_{n>=0} (2n + 1) x^n * (9 - x^n)^n.