A309659 - OEIS

A309659 as a simple table

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	2
11	4
12	12
13	18
14	38
15	60
16	104
17	152
18	250
19	340
20	506
21	688
22	980
23	1302
24	1806
25	2344
26	3156
27	4060
28	5332
29	6756
30	8740
31	10924
32	13876
33	17182
34	21522
35	26366
36	32646
37	39616
38	48494
39	58418
40	70796
41	84616
42	101714
43	120700
44	143904
45	169730
46	200888
47	235512

[0,0,0,0,0,0,0,0,0,0,2,4,12,18,38,60,104,152,250, 340,506,688,980,1302,1806,2344,3156,4060,5332, 6756,8740,10924,13876,17182,21522,26366,32646, 39616,48494,58418,70796,84616,101714,120700, 143904,169730,200888,235512]