A370086 - cp's OEIS frontend

A370086 Expansion of e.g.f. exp( Sum_{k>=1} (2k)!/k! (x/2)^k/k ).

n	a(n)
0	1
1	1
2	4
3	40
4	796
5	27196
6	1437136
7	108931264
8	11207616400
9	1502077491856
10	254091983968576
11	52922687300496256
12	13303823750214614464
13	3970706309867394765760
14	1387875547214097148600576
15	561507863501525383223535616
16	260328000140228961840632033536

[1, 1, 4, 40, 796, 27196, 1437136, 108931264, 11207616400, 1502077491856, 254091983968576, 52922687300496256, 13303823750214614464, 3970706309867394765760, 1387875547214097148600576, 561507863501525383223535616, 260328000140228961840632033536]

cp's OEIS Frontend

A370086 Expansion of e.g.f. exp( Sum_{k>=1} (2k)!/k! (x/2)^k/k ).

Table of values

List of values

cp's OEIS Frontend

A370086 Expansion of e.g.f. exp( Sum_{k>=1} (2*k)!/k! * (x/2)^k/k ).

Table of values

List of values

A370086 Expansion of e.g.f. exp( Sum_{k>=1} (2k)!/k! (x/2)^k/k ).