A118690 - OEIS

A118690 as a simple table

n	a(n)
1	4
2	6
3	9
4	22
5	33
6	55
7	77
8	91
9	123
10	141
11	177
12	213
13	217
14	321
15	411
16	717
17	721
18	771
19	1135
20	1157
21	1315
22	1351
23	1513
24	1517
25	1751
26	3151
27	5131
28	5311
29	7115
30	11157
31	11215
32	11521
33	11611
34	11751
35	12115
36	12151
37	15117
38	15711
39	17151
40	21151
41	51211
42	57111
43	61111
44	75111

[4,6,9,22,33,55,77,91,123,141,177,213,217,321,411, 717,721,771,1135,1157,1315,1351,1513,1517,1751, 3151,5131,5311,7115,11157,11215,11521,11611,11751, 12115,12151,15117,15711,17151,21151,51211,57111, 61111,75111]