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A258313 as a simple table

n a(n)
0 1
1 3
2 15
3 93
4 641
5 4719
6 36335
7 289017
8 2356321
9 19586283
10 165364799
11 1414193205
12 12224831937
13 106645825047
14 937685498271
15 8301129707121
16 73929906605249
17 661919872559763
18 5954449287679919
19 53791836313371405
20 487807821246726273
21 4438980860105747967
22 40521481906592540175

[1,3,15,93,641,4719,36335,289017,2356321,19586283,
 165364799,1414193205,12224831937,106645825047,
 937685498271,8301129707121,73929906605249,
 661919872559763,5954449287679919,
 53791836313371405,487807821246726273,
 4438980860105747967,40521481906592540175]

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Last modified April 24 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)