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A081250 as a simple table

n a(n)
0 1
1 3
2 11
3 33
4 101
5 303
6 911
7 2733
8 8201
9 24603
10 73811
11 221433
12 664301
13 1992903
14 5978711
15 17936133
16 53808401
17 161425203
18 484275611
19 1452826833
20 4358480501
21 13075441503
22 39226324511
23 117678973533
24 353036920601
25 1059110761803

[1,3,11,33,101,303,911,2733,8201,24603,73811,
 221433,664301,1992903,5978711,17936133,53808401,
 161425203,484275611,1452826833,4358480501,
 13075441503,39226324511,117678973533,353036920601,
 1059110761803]

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Last modified May 17 12:26 EDT 2024. Contains 372600 sequences. (Running on oeis4.)