A007697 - OEIS

A007697 as a simple table

n	a(n)
1	1
2	3
3	13
4	19
5	55
6	61
7	139
8	139
9	181
10	181
11	391
12	439
13	559
14	619
15	619
16	829
17	859
18	1069
19	1081
20	1459
21	1489
22	1609
23	1741
24	1951
25	2029
26	2341
27	2341
28	3331
29	3331
30	3331
31	3961
32	4189
33	4189
34	4261
35	4801
36	4801
37	5911
38	5911
39	5911
40	6319
41	6319
42	6319
43	8251
44	8251
45	8251
46	8251
47	8251

[1,3,13,19,55,61,139,139,181,181,391,439,559,619, 619,829,859,1069,1081,1459,1489,1609,1741,1951, 2029,2341,2341,3331,3331,3331,3961,4189,4189,4261, 4801,4801,5911,5911,5911,6319,6319,6319,8251,8251, 8251,8251,8251]