A215281 - OEIS

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A215281 as a simple table

n	a(n)
1	2
2	3
3	19
4	37
5	53
6	71
7	89
8	139
9	157
10	173
11	191
12	223
13	241
14	257
15	293
16	359
17	461
18	463
19	479
20	547
21	563
22	599
23	631
24	683
25	701
26	733
27	751
28	769
29	853
30	887
31	937
32	971
33	1039
34	1091
35	1109
36	1193
37	1277
38	1279
39	1381
40	1447
41	1481
42	1483
43	1499
44	1549
45	1567
46	1583
47	1601
48	1619
49	1669

[2,3,19,37,53,71,89,139,157,173,191,223,241,257, 293,359,461,463,479,547,563,599,631,683,701,733, 751,769,853,887,937,971,1039,1091,1109,1193,1277, 1279,1381,1447,1481,1483,1499,1549,1567,1583,1601, 1619,1669]