A373189 - OEIS

A373189 as a simple table

n	a(n)
1	1
2	3
3	6
4	11
5	15
6	21
7	28
8	39
9	45
10	55
11	66
12	84
13	91
14	105
15	120
16	147
17	153
18	171
19	190
20	225
21	231
22	253
23	276
24	321
25	325
26	351
27	378
28	434
29	435
30	465
31	496
32	567
33	561
34	595
35	630
36	711
37	703
38	741
39	780
40	875
41	861
42	903
43	946
44	1056
45	1035
46	1081
47	1128
48	1260
49	1225
50	1275
51	1326
52	1469
53	1431
54	1485
55	1540
56	1701

[1,3,6,11,15,21,28,39,45,55,66,84,91,105,120,147, 153,171,190,225,231,253,276,321,325,351,378,434, 435,465,496,567,561,595,630,711,703,741,780,875, 861,903,946,1056,1035,1081,1128,1260,1225,1275, 1326,1469,1431,1485,1540,1701]