A178659 - OEIS

A178659 as a simple table

n	a(n)
1	2
2	3
3	6
4	10
5	15
6	30
7	31
8	36
9	40
10	51
11	66
12	70
13	91
14	100
15	136
16	175
17	190
18	205
19	225
20	231
21	261
22	285
23	286
24	316
25	321
26	331
27	370
28	376
29	411
30	441
31	465
32	496
33	516
34	520
35	526
36	535
37	546
38	565
39	576
40	586
41	591
42	681
43	720
44	730
45	745
46	750
47	766
48	855
49	871
50	906
51	916
52	951
53	975
54	1081
55	1120

[2,3,6,10,15,30,31,36,40,51,66,70,91,100,136,175, 190,205,225,231,261,285,286,316,321,331,370,376, 411,441,465,496,516,520,526,535,546,565,576,586, 591,681,720,730,745,750,766,855,871,906,916,951, 975,1081,1120]