A142590 - OEIS

A142590 as a simple table

n	a(n)
0	0
1	21
2	15
3	117
4	12
5	285
6	99
7	525
8	42
9	837
10	255
11	1221
12	90
13	1677
14	483
15	2205
16	156
17	2805
18	783
19	3477
20	240
21	4221
22	1155
23	5037
24	342
25	5925
26	1599
27	6885
28	462
29	7917
30	2115
31	9021
32	600
33	10197
34	2703
35	11445
36	756
37	12765
38	3363
39	14157
40	930
41	15621
42	4095
43	17157
44	1122
45	18765
46	4899
47	20445

[0,21,15,117,12,285,99,525,42,837,255,1221,90, 1677,483,2205,156,2805,783,3477,240,4221,1155, 5037,342,5925,1599,6885,462,7917,2115,9021,600, 10197,2703,11445,756,12765,3363,14157,930,15621, 4095,17157,1122,18765,4899,20445]