A261942 - OEIS

A261942 as a simple table

n	a(n)
1	0
2	0
3	0
4	10
5	2
6	0
7	0
8	61
9	5
10	0
11	46
12	147
13	218
14	12
15	0
16	0
17	1215
18	746
19	1878
20	31
21	0
22	202
23	5826
24	10906
25	7943
26	9350
27	57
28	0
29	415
30	28021
31	72186
32	351513
33	50994
34	57243
35	112
36	0
37	852
38	110420
39	588090
40	3016874
41	5488030
42	367390
43	352480
44	296
45	0
46	1739
47	527295
48	3656900

[0,0,0,10,2,0,0,61,5,0,46,147,218,12,0,0,1215,746, 1878,31,0,202,5826,10906,7943,9350,57,0,415,28021, 72186,351513,50994,57243,112,0,852,110420,588090, 3016874,5488030,367390,352480,296,0,1739,527295, 3656900]