A015931 - OEIS

A015931 as a simple table

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	8
7	9
8	16
9	17
10	21
11	27
12	32
13	45
14	63
15	64
16	99
17	105
18	117
19	124
20	128
21	153
22	171
23	189
24	207
25	254
26	256
27	261
28	273
29	279
30	333
31	369
32	387
33	423
34	429
35	477
36	512
37	513
38	531
39	549
40	585
41	603
42	639
43	657
44	711
45	747
46	801
47	873
48	909
49	927
50	945
51	963
52	981
53	1017
54	1143
55	1179
56	1197
57	1209
58	1233
59	1251
60	1341
61	1359
62	1365
63	1413
64	1467
65	1472
66	1503
67	1504
68	1557
69	1611
70	1629
71	1665
72	1719
73	1737
74	1773
75	1785
76	1791
77	1899
78	1971

[1,2,3,4,5,8,9,16,17,21,27,32,45,63,64,99,105,117, 124,128,153,171,189,207,254,256,261,273,279,333, 369,387,423,429,477,512,513,531,549,585,603,639, 657,711,747,801,873,909,927,945,963,981,1017,1143, 1179,1197,1209,1233,1251,1341,1359,1365,1413,1467, 1472,1503,1504,1557,1611,1629,1665,1719,1737,1773, 1785,1791,1899,1971]