A320611 - OEIS

A320611 as a simple table

n	a(n)
1	1
2	3
3	6
4	12
5	20
6	35
7	54
8	86
9	119
10	182
11	254
12	366
13	499
14	697
15	934
16	1274
17	1681
18	2237
19	2918
20	3830
21	4927
22	6377
23	8128
24	10388
25	13120
26	16600
27	20796
28	26076
29	32419
30	40318
31	49798
32	61494
33	75464
34	92582
35	112990
36	137800
37	167284
38	202912
39	245128
40	295870
41	355813
42	427472
43	511926

[1,3,6,12,20,35,54,86,119,182,254,366,499,697,934, 1274,1681,2237,2918,3830,4927,6377,8128,10388, 13120,16600,20796,26076,32419,40318,49798,61494, 75464,92582,112990,137800,167284,202912,245128, 295870,355813,427472,511926]