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A027458 as a simple table

n a(n)
3 2
4 7
5 47
6 57
7 459
8 1023
9 3349
10 3601
11 42131
12 44441
13 605453
14 631193
15 655217
16 1355479
17 23763863
18 24444543
19 476698557
20 488338185
21 499423545
22 510005025
23 11962908135
24 12186001005
25 62000850801
26 63030510201
27 192066102203
28 194934439103
29 5733412167187
30 5811048485947

[2,7,47,57,459,1023,3349,3601,42131,44441,605453,
 631193,655217,1355479,23763863,24444543,476698557,
 488338185,499423545,510005025,11962908135,
 12186001005,62000850801,63030510201,192066102203,
 194934439103,5733412167187,5811048485947]

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Last modified June 8 04:13 EDT 2024. Contains 373207 sequences. (Running on oeis4.)