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A196431 as a simple table

n a(n)
1 3
2 9
3 25
4 75
5 213
6 621
7 1801
8 5219
9 15133
10 43867
11 127195
12 368759
13 1069105
14 3099583
15 8986391
16 26053581
17 75535111
18 218993223
19 634910491
20 1840747761
21 5336740123
22 15472405305
23 44857970049
24 130053306249
25 377053674603
26 1093163086545

[3,9,25,75,213,621,1801,5219,15133,43867,127195,
 368759,1069105,3099583,8986391,26053581,75535111,
 218993223,634910491,1840747761,5336740123,
 15472405305,44857970049,130053306249,377053674603,
 1093163086545]

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Last modified May 24 22:03 EDT 2024. Contains 372782 sequences. (Running on oeis4.)