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A287609 as a simple table

n a(n)
1 31
2 71
3 311
4 551
5 1151
6 14831
7 45791
8 455471
9 2035271
10 6345239
11 7241615
12 8290031
13 8329991
14 9086231
15 9324351
16 10449575
17 11497199
18 15454151
19 16515815
20 18337271
21 20650811
22 22946591
23 27609311
24 33220079
25 40487471
26 44106191
27 45015791
28 49021199
29 53315519
30 54536519

[31,71,311,551,1151,14831,45791,455471,2035271,
 6345239,7241615,8290031,8329991,9086231,9324351,
 10449575,11497199,15454151,16515815,18337271,
 20650811,22946591,27609311,33220079,40487471,
 44106191,45015791,49021199,53315519,54536519]

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Last modified August 18 14:55 EDT 2024. Contains 375269 sequences. (Running on oeis4.)