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A032631 as a simple table

n a(n)
1 19
2 311
3 1321
4 1523
5 2129
6 3947
7 4957
8 5563
9 6977
10 7583
11 9199
12 111119
13 115123
14 159167
15 163171
16 165173
17 169177
18 171179
19 183191
20 193201
21 195203
22 199207
23 201209
24 205213
25 211219
26 229237
27 235243
28 241249
29 249257
30 265273

[19,311,1321,1523,2129,3947,4957,5563,6977,7583,
 9199,111119,115123,159167,163171,165173,169177,
 171179,183191,193201,195203,199207,201209,205213,
 211219,229237,235243,241249,249257,265273]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)