A157303 - cp's OEIS frontend

A157303 G.f. A(x) satisfies the condition that both G(x) = A(x/G(x)) and H(x) = A(x*H(x)) have zeros for every other coefficient after initial terms; g.f. of dual sequence A157306 satisfies the same condition.

n	a(n)
0	1
1	1
2	1
3	-4
4	-19
5	134
6	1074
7	-10158
8	-110067
9	1302086
10	17451662
11	-248857456
12	-3948994550
13	66104803660
14	1210719480268
15	-23304935437410
16	-484165206834051
17	10541640152174406
18	245149591293286518
19	-5958110923842801192

[1, 1, 1, -4, -19, 134, 1074, -10158, -110067, 1302086, 17451662, -248857456, -3948994550, 66104803660, 1210719480268, -23304935437410, -484165206834051, 10541640152174406, 245149591293286518, -5958110923842801192]

cp's OEIS Frontend

A157303 G.f. A(x) satisfies the condition that both G(x) = A(x/G(x)) and H(x) = A(x*H(x)) have zeros for every other coefficient after initial terms; g.f. of dual sequence A157306 satisfies the same condition.

Table of values

List of values