A045895 - OEIS

A045895 as a simple table

n	a(n)
1	0
2	2
3	12
4	12
5	40
6	30
7	84
8	56
9	144
10	90
11	220
12	132
13	312
14	182
15	420
16	240
17	544
18	306
19	684
20	380
21	840
22	462
23	1012
24	552
25	1200
26	650
27	1404
28	756
29	1624
30	870
31	1860
32	992
33	2112
34	1122
35	2380
36	1260
37	2664
38	1406
39	2964
40	1560

[0,2,12,12,40,30,84,56,144,90,220,132,312,182,420, 240,544,306,684,380,840,462,1012,552,1200,650, 1404,756,1624,870,1860,992,2112,1122,2380,1260, 2664,1406,2964,1560]