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A281832 as a simple table

n a(n)
1 4
2 31
3 163
4 926
5 5315
6 30387
7 174121
8 998069
9 5720443
10 32788987
11 187945010
12 1077290419
13 6174981492
14 35394734997
15 202881130985
16 1162906171769
17 6665729691190
18 38207684670140
19 219004855904382
20 1255326705617567

[4,31,163,926,5315,30387,174121,998069,5720443,
 32788987,187945010,1077290419,6174981492,
 35394734997,202881130985,1162906171769,
 6665729691190,38207684670140,219004855904382,
 1255326705617567]

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Last modified April 20 00:00 EDT 2024. Contains 371798 sequences. (Running on oeis4.)