A391498 - OEIS

A391498 as a simple table

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	2
7	20
8	83
9	199
10	422
11	746
12	1255
13	1940
14	2900
15	4137
16	5753
17	7770
18	10276
19	13334
20	17026
21	21416
22	26592
23	32680
24	39689
25	47831
26	57085
27	67669
28	79613
29	93138
30	108129
31	125105
32	143792
33	164592
34	187468
35	212845
36	240368
37	270877
38	303817
39	339919
40	378972
41	421563
42	467085
43	516915
44	570024
45	627439
46	688829
47	755085

[0,0,0,0,0,2,20,83,199,422,746,1255,1940,2900, 4137,5753,7770,10276,13334,17026,21416,26592, 32680,39689,47831,57085,67669,79613,93138,108129, 125105,143792,164592,187468,212845,240368,270877, 303817,339919,378972,421563,467085,516915,570024, 627439,688829,755085]