A140327 - OEIS

A140327 as a simple table

n	a(n)
0	1
1	2
2	3
3	5
4	7
5	19
6	23
7	41
8	47
9	53
10	59
11	109
12	131
13	181
14	223
15	239
16	271
17	373
18	431
19	569
20	599
21	797
22	857
23	919
24	983
25	1049
26	1091
27	1187
28	1231
29	1913
30	1949
31	2293
32	2399
33	2441
34	2447
35	2659
36	2663
37	3181
38	3191
39	3821
40	3919
41	4099
42	4157
43	4643
44	4663
45	4679
46	4691
47	4793
48	4799
49	4801

[1,2,3,5,7,19,23,41,47,53,59,109,131,181,223,239, 271,373,431,569,599,797,857,919,983,1049,1091, 1187,1231,1913,1949,2293,2399,2441,2447,2659,2663, 3181,3191,3821,3919,4099,4157,4643,4663,4679,4691, 4793,4799,4801]