A127578 - OEIS

A127578 as a simple table

n	a(n)
1	31
2	127
3	191
4	223
5	383
6	479
7	607
8	863
9	991
10	1087
11	1151
12	1279
13	1439
14	1471
15	1567
16	1663
17	1759
18	1823
19	1951
20	2111
21	2143
22	2207
23	2239
24	2399
25	2591
26	2687
27	2719
28	2879
29	3167
30	3359
31	3391
32	3583
33	3967
34	4127
35	4159
36	4447
37	4639
38	4703
39	4799
40	4831
41	5023
42	5087
43	5119
44	5279

[31,127,191,223,383,479,607,863,991,1087,1151, 1279,1439,1471,1567,1663,1759,1823,1951,2111,2143, 2207,2239,2399,2591,2687,2719,2879,3167,3359,3391, 3583,3967,4127,4159,4447,4639,4703,4799,4831,5023, 5087,5119,5279]