A305256 - cp's OEIS frontend

A305256 Expansion of exp(Sum_{k>=1} (-1)^(k+1)x^k/(ksqrt(1 - 4*x^k))).

n	a(n)
0	1
1	1
2	2
3	8
4	27
5	103
6	389
7	1497
8	5786
9	22556
10	88230
11	346576
12	1365119
13	5390585
14	21327913
15	84527939
16	335477433
17	1333079925
18	5302763618
19	21112688376
20	84125853415
21	335443149005
22	1338370995240
23	5342843332758
24	21339341267983
25	85266832981905
26	340840044333836
27	1362936812554758

[1, 1, 2, 8, 27, 103, 389, 1497, 5786, 22556, 88230, 346576, 1365119, 5390585, 21327913, 84527939, 335477433, 1333079925, 5302763618, 21112688376, 84125853415, 335443149005, 1338370995240, 5342843332758, 21339341267983, 85266832981905, 340840044333836, 1362936812554758]

cp's OEIS Frontend

A305256 Expansion of exp(Sum_{k>=1} (-1)^(k+1)x^k/(ksqrt(1 - 4*x^k))).

Table of values

List of values

cp's OEIS Frontend

A305256 Expansion of exp(Sum_{k>=1} (-1)^(k+1)*x^k/(k*sqrt(1 - 4*x^k))).

Table of values

List of values

A305256 Expansion of exp(Sum_{k>=1} (-1)^(k+1)x^k/(ksqrt(1 - 4*x^k))).