A350464 - cp's OEIS frontend

A350464 Table read by rows. Interpolating the swinging factorial (A056040) and the double factorial (A001147).

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	3
6	0
7	2
8	15
9	15
10	0
11	6
12	91
13	210
14	105
15	0
16	6
17	690
18	2835
19	3150
20	945
21	0
22	30
23	5214
24	42405
25	79695
26	51975
27	10395
28	0
29	20
30	44772
31	666666
32	2057055
33	2207205
34	945945
35	135135
36	0
37	140
38	384756
39	11274900
40	54879825
41	90090000
42	62432370
43	18918900
44	2027025

[1, 0, 1, 0, 1, 3, 0, 2, 15, 15, 0, 6, 91, 210, 105, 0, 6, 690, 2835, 3150, 945, 0, 30, 5214, 42405, 79695, 51975, 10395, 0, 20, 44772, 666666, 2057055, 2207205, 945945, 135135, 0, 140, 384756, 11274900, 54879825, 90090000, 62432370, 18918900, 2027025]

cp's OEIS Frontend

A350464 Table read by rows. Interpolating the swinging factorial (A056040) and the double factorial (A001147).

Table of values

List of values