A330019 - cp's OEIS frontend

A330019 Expansion of e.g.f. 1 / (1 - Sum_{k>=1} binomial(k,floor(k/2)) * x^k / k!).

n	a(n)
0	1
1	1
2	4
3	21
4	150
5	1330
6	14180
7	176295
8	2505230
9	40049226
10	711379872
11	13899553206
12	296270826852
13	6841305568812
14	170127212242416
15	4532854743105975
16	128824523061126750
17	3890041395675793930
18	124375112406132404960
19	4197530354920789582410
20	149118181703716510545260

[1, 1, 4, 21, 150, 1330, 14180, 176295, 2505230, 40049226, 711379872, 13899553206, 296270826852, 6841305568812, 170127212242416, 4532854743105975, 128824523061126750, 3890041395675793930, 124375112406132404960, 4197530354920789582410, 149118181703716510545260]

cp's OEIS Frontend

A330019 Expansion of e.g.f. 1 / (1 - Sum_{k>=1} binomial(k,floor(k/2)) * x^k / k!).

Table of values

List of values