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A247981 as a simple table

n a(n)
1 2
2 5
3 13
4 41
5 137
6 149
7 229
8 293
9 397
10 509
11 661
12 677
13 709
14 761
15 809
16 877
17 881
18 1217
19 1249
20 1277
21 1601
22 2053
23 2633
24 3637
25 3701
26 4481
27 4729
28 5101
29 5449
30 5749
31 5861
32 7121
33 7237
34 7517
35 8009
36 8089
37 8117
38 8377
39 9661
40 14869
41 14897
42 18229
43 19609
44 20369
45 20441
46 21493
47 22349
48 23917
49 24781
50 24977
51 25717

[2,5,13,41,137,149,229,293,397,509,661,677,709,
 761,809,877,881,1217,1249,1277,1601,2053,2633,
 3637,3701,4481,4729,5101,5449,5749,5861,7121,7237,
 7517,8009,8089,8117,8377,9661,14869,14897,18229,
 19609,20369,20441,21493,22349,23917,24781,24977,
 25717]

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Last modified April 19 18:05 EDT 2024. Contains 371798 sequences. (Running on oeis4.)