A320612 - OEIS

A320612 as a simple table

n	a(n)
1	1
2	3
3	6
4	12
5	20
6	35
7	54
8	86
9	128
10	182
11	264
12	376
13	520
14	718
15	978
16	1318
17	1761
18	2338
19	3070
20	4008
21	5206
22	6707
23	8604
24	10982
25	13933
26	17604
27	22155
28	27745
29	34627
30	43061
31	53338
32	65859
33	81074
34	99458
35	121687
36	148469
37	180633
38	219202
39	265386
40	320473
41	386147
42	464245
43	556925

[1,3,6,12,20,35,54,86,128,182,264,376,520,718,978, 1318,1761,2338,3070,4008,5206,6707,8604,10982, 13933,17604,22155,27745,34627,43061,53338,65859, 81074,99458,121687,148469,180633,219202,265386, 320473,386147,464245,556925]