A067440 - OEIS

A067440 as a simple table

n	a(n)
1	1
2	3
3	6
4	8
5	13
6	19
7	26
8	28
9	31
10	41
11	52
12	64
13	77
14	91
15	106
16	108
17	125
18	143
19	162
20	182
21	203
22	225
23	248
24	272
25	277
26	303
27	306
28	334
29	363
30	393
31	424
32	426
33	459
34	493
35	528
36	534
37	571
38	609
39	648
40	688
41	729
42	771
43	814
44	858
45	903
46	949
47	996
48	1044
49	1051
50	1101
51	1152
52	1204
53	1257
54	1311

[1,3,6,8,13,19,26,28,31,41,52,64,77,91,106,108, 125,143,162,182,203,225,248,272,277,303,306,334, 363,393,424,426,459,493,528,534,571,609,648,688, 729,771,814,858,903,949,996,1044,1051,1101,1152, 1204,1257,1311]