A132331 - cp's OEIS frontend

A132331 G.f.: A(x) = (A_1)^3 where A_1 = 1 + x(A_2)^3; A_2 = 1 + x^2(A_3)^3; A_3 = 1 + x^3(A_4)^3; ... A_n = 1 + x^n(A_{n+1})^3 for n>=1.

n	a(n)
0	1
1	3
2	3
3	10
4	18
5	18
6	72
7	93
8	141
9	381
10	423
11	990
12	1701
13	2304
14	4998
15	7275
16	12960
17	21195
18	34812
19	58860
20	90576
21	163603
22	239445
23	413964
24	669096
25	1017918
26	1768608
27	2639988
28	4383036
29	6880680
30	10911267
31	17411292
32	26930250
33	43797420
34	66324909
35	107180772

[1, 3, 3, 10, 18, 18, 72, 93, 141, 381, 423, 990, 1701, 2304, 4998, 7275, 12960, 21195, 34812, 58860, 90576, 163603, 239445, 413964, 669096, 1017918, 1768608, 2639988, 4383036, 6880680, 10911267, 17411292, 26930250, 43797420, 66324909, 107180772]

cp's OEIS Frontend

A132331 G.f.: A(x) = (A_1)^3 where A_1 = 1 + x(A_2)^3; A_2 = 1 + x^2(A_3)^3; A_3 = 1 + x^3(A_4)^3; ... A_n = 1 + x^n(A_{n+1})^3 for n>=1.

Table of values

List of values

cp's OEIS Frontend

A132331 G.f.: A(x) = (A_1)^3 where A_1 = 1 + x*(A_2)^3; A_2 = 1 + x^2*(A_3)^3; A_3 = 1 + x^3*(A_4)^3; ... A_n = 1 + x^n*(A_{n+1})^3 for n>=1.

Table of values

List of values

A132331 G.f.: A(x) = (A_1)^3 where A_1 = 1 + x(A_2)^3; A_2 = 1 + x^2(A_3)^3; A_3 = 1 + x^3(A_4)^3; ... A_n = 1 + x^n(A_{n+1})^3 for n>=1.