A070853 - OEIS

A070853 as a simple table

n	a(n)
1	19
2	19
3	109
4	37
5	181
6	109
7	127
8	73
9	163
10	181
11	199
12	109
13	937
14	127
15	271
16	433
17	307
18	163
19	2053
20	181
21	379
22	199
23	829
24	433
25	1801
26	937
27	487
28	757
29	523
30	271
31	1117
32	577
33	1783
34	307
35	631
36	1297
37	1999
38	2053
39	3511
40	1801
41	739
42	379
43	1549
44	397
45	811
46	829
47	1693
48	433
49	883

[19,19,109,37,181,109,127,73,163,181,199,109,937, 127,271,433,307,163,2053,181,379,199,829,433,1801, 937,487,757,523,271,1117,577,1783,307,631,1297, 1999,2053,3511,1801,739,379,1549,397,811,829,1693, 433,883]