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A121811 as a simple table

n a(n)
1 0
2 3
3 8
4 19
5 46
6 111
7 263
8 622
9 1473
10 3485
11 8246
12 19512
13 46166
14 109230
15 258441
16 611480
17 1446777
18 3423112
19 8099170
20 19162842
21 45339771
22 107275050
23 253815495
24 600533909
25 1420878484
26 3361834590
27 7954186044
28 18819806248
29 44528139677

[0,3,8,19,46,111,263,622,1473,3485,8246,19512,
 46166,109230,258441,611480,1446777,3423112,
 8099170,19162842,45339771,107275050,253815495,
 600533909,1420878484,3361834590,7954186044,
 18819806248,44528139677]

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Last modified February 26 16:19 EST 2024. Contains 370352 sequences. (Running on oeis4.)