A302693 - cp's OEIS frontend

A302693 a(n) = [x^n] 1 + x(1 + x^2(1 + x^3(1 + x^4(1 + x^5*(1 + ...)^n)^n)^n)^n)^n.

n	a(n)
0	1
1	1
2	0
3	3
4	0
5	10
6	36
7	35
8	448
9	450
10	4600
11	13167
12	45408
13	240006
14	670124
15	3863835
16	13209088
17	60533974
18	268324056
19	1089776654
20	5328589520
21	22065836226
22	106289169448
23	481033496803
24	2231768294208
25	10748702587800
26	49858509230920
27	245664498591891
28	1175943617623264

[1, 1, 0, 3, 0, 10, 36, 35, 448, 450, 4600, 13167, 45408, 240006, 670124, 3863835, 13209088, 60533974, 268324056, 1089776654, 5328589520, 22065836226, 106289169448, 481033496803, 2231768294208, 10748702587800, 49858509230920, 245664498591891, 1175943617623264]

cp's OEIS Frontend

A302693 a(n) = [x^n] 1 + x(1 + x^2(1 + x^3(1 + x^4(1 + x^5*(1 + ...)^n)^n)^n)^n)^n.

Table of values

List of values

cp's OEIS Frontend

A302693 a(n) = [x^n] 1 + x*(1 + x^2*(1 + x^3*(1 + x^4*(1 + x^5*(1 + ...)^n)^n)^n)^n)^n.

Table of values

List of values

A302693 a(n) = [x^n] 1 + x(1 + x^2(1 + x^3(1 + x^4(1 + x^5*(1 + ...)^n)^n)^n)^n)^n.