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A254822 as a simple table

n a(n)
1 3
2 10
3 30
4 79
5 197
6 496
7 1262
8 3476
9 10400
10 30718
11 86549
12 244255
13 709450
14 2051001
15 5691742
16 15102696
17 39115080
18 102078824
19 275987219
20 775822274
21 2223250672
22 6380375677
23 18280341752
24 52328438849
25 148625082422
26 414077248266

[3,10,30,79,197,496,1262,3476,10400,30718,86549,
 244255,709450,2051001,5691742,15102696,39115080,
 102078824,275987219,775822274,2223250672,
 6380375677,18280341752,52328438849,148625082422,
 414077248266]

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Last modified April 19 13:40 EDT 2024. Contains 371792 sequences. (Running on oeis4.)