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A139971 as a simple table

n a(n)
1 5
2 109
3 149
4 229
5 349
6 421
7 461
8 509
9 541
10 661
11 709
12 821
13 941
14 1021
15 1061
16 1181
17 1229
18 1549
19 1669
20 1709
21 1789
22 1861
23 2069
24 2221
25 2269
26 2309
27 2381
28 2621
29 2741
30 2749
31 2789
32 3061
33 3109
34 3229
35 3469
36 3541
37 3581
38 3989
39 4349
40 4621
41 4789
42 4909

[5,109,149,229,349,421,461,509,541,661,709,821,
 941,1021,1061,1181,1229,1549,1669,1709,1789,1861,
 2069,2221,2269,2309,2381,2621,2741,2749,2789,3061,
 3109,3229,3469,3541,3581,3989,4349,4621,4789,4909]

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Last modified April 25 09:26 EDT 2024. Contains 371967 sequences. (Running on oeis4.)