A141874 - OEIS

A141874 as a simple table

n	a(n)
1	47
2	199
3	313
4	389
5	503
6	541
7	617
8	769
9	883
10	997
11	1187
12	1301
13	1453
14	1567
15	1871
16	2099
17	2137
18	2213
19	2251
20	2441
21	2593
22	2707
23	2897
24	3011
25	3049
26	3163
27	3391
28	3467
29	3581
30	3733
31	3847
32	3923
33	4493
34	4721
35	4759
36	4987
37	5101
38	5443
39	5519
40	5557
41	5861
42	6089
43	6203
44	6317
45	6469

[47,199,313,389,503,541,617,769,883,997,1187,1301, 1453,1567,1871,2099,2137,2213,2251,2441,2593,2707, 2897,3011,3049,3163,3391,3467,3581,3733,3847,3923, 4493,4721,4759,4987,5101,5443,5519,5557,5861,6089, 6203,6317,6469]