A157310 - cp's OEIS frontend

A157310 G.f. A(x) satisfies the condition that both A(x) and F(x) = A(x/F(x)) = o.g.f. of A157309 have zeros for every other coefficient after initial terms; g.f. of dual sequence A155585 satisfies the same condition.

n	a(n)
0	1
1	1
2	1
3	0
4	-3
5	0
6	38
7	0
8	-947
9	0
10	37394
11	0
12	-2120190
13	0
14	162980012
15	0
16	-16330173251
17	0
18	2070201641498
19	0
20	-324240251016266
21	0
22	61525045423103316
23	0
24	-13913915097436287598
25	0
26	3698477457114061621492
27	0

[1, 1, 1, 0, -3, 0, 38, 0, -947, 0, 37394, 0, -2120190, 0, 162980012, 0, -16330173251, 0, 2070201641498, 0, -324240251016266, 0, 61525045423103316, 0, -13913915097436287598, 0, 3698477457114061621492, 0]

cp's OEIS Frontend

A157310 G.f. A(x) satisfies the condition that both A(x) and F(x) = A(x/F(x)) = o.g.f. of A157309 have zeros for every other coefficient after initial terms; g.f. of dual sequence A155585 satisfies the same condition.

Table of values

List of values