A259456 - OEIS

A259456 as a simple table

n	a(n)
0	1
1	2
2	3
3	6
4	20
5	15
6	24
7	130
8	210
9	105
10	120
11	924
12	2380
13	2520
14	945
15	720
16	7308
17	26432
18	44100
19	34650
20	10395
21	5040
22	64224
23	303660
24	705320
25	866250
26	540540
27	135135
28	40320
29	623376
30	3678840
31	11098780
32	18858840
33	18288270
34	9459450
35	2027025
36	362880
37	6636960
38	47324376
39	177331440
40	389449060
41	520059540
42	416215800

[1,2,3,6,20,15,24,130,210,105,120,924,2380,2520, 945,720,7308,26432,44100,34650,10395,5040,64224, 303660,705320,866250,540540,135135,40320,623376, 3678840,11098780,18858840,18288270,9459450, 2027025,362880,6636960,47324376,177331440, 389449060,520059540,416215800]