A287636 - OEIS

A287636 as a simple table

n	a(n)
1	1
2	2
3	4
4	6
5	10
6	15
7	16
8	22
9	30
10	66
11	70
12	103
13	210
14	261
15	1118
16	1625
17	2815
18	3081
19	3088
20	6693
21	18390
22	18762
23	32697
24	59860
25	71355
26	155165
27	198033
28	208790
29	262546
30	266403
31	673708
32	697924
33	699690
34	760750
35	1081782
36	2993838
37	4449916
38	4672993
39	4692381
40	5547049
41	6068616

[1,2,4,6,10,15,16,22,30,66,70,103,210,261,1118, 1625,2815,3081,3088,6693,18390,18762,32697,59860, 71355,155165,198033,208790,262546,266403,673708, 697924,699690,760750,1081782,2993838,4449916, 4672993,4692381,5547049,6068616]