A256400 - cp's OEIS frontend

A256400 Numerators of coefficients of expansion of exp( Sum_{k=0..oo} x^(2^k)/2^k ) in powers of x.

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	7
6	16
7	67
8	88
9	617
10	2626
11	18176
12	6949
13	423271
14	2172172
15	19151162
16	58438907
17	899510224
18	7656246634
19	1236339998
20	460251204914
21	6682341795214
22	55431849118769
23	58399157390146
24	2845938531282919
25	54648005951674444
26	12207653488921678

[1, 1, 1, 2, 2, 7, 16, 67, 88, 617, 2626, 18176, 6949, 423271, 2172172, 19151162, 58438907, 899510224, 7656246634, 1236339998, 460251204914, 6682341795214, 55431849118769, 58399157390146, 2845938531282919, 54648005951674444, 12207653488921678]

cp's OEIS Frontend

A256400 Numerators of coefficients of expansion of exp( Sum_{k=0..oo} x^(2^k)/2^k ) in powers of x.

Table of values

List of values