A031121 - OEIS

A031121 as a simple table

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	11
9	13
10	17
11	18
12	21
13	29
14	34
15	47
16	48
17	55
18	72
19	76
20	89
21	122
22	123
23	144
24	199
25	233
26	305
27	322
28	323
29	329
30	377
31	521
32	610
33	842
34	843
35	987
36	1292
37	1353
38	1364
39	1597
40	2207
41	2208
42	2255
43	2584
44	3571
45	4181
46	5473
47	5777
48	5778
49	5796
50	6765
51	9349

[1,2,3,4,5,7,8,11,13,17,18,21,29,34,47,48,55,72, 76,89,122,123,144,199,233,305,322,323,329,377,521, 610,842,843,987,1292,1353,1364,1597,2207,2208, 2255,2584,3571,4181,5473,5777,5778,5796,6765,9349]