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A080041 as a simple table

n a(n)
0 1
1 2
2 7
3 20
4 55
5 152
6 415
7 1136
8 3103
9 8480
10 23167
11 63296
12 172927
13 472448
14 1290751
15 3526400
16 9634303
17 26321408
18 71911423
19 196465664
20 536754175
21 1466439680
22 4006387711
23 10945654784
24 29904084991
25 81699479552
26 223207129087

[1,2,7,20,55,152,415,1136,3103,8480,23167,63296,
 172927,472448,1290751,3526400,9634303,26321408,
 71911423,196465664,536754175,1466439680,
 4006387711,10945654784,29904084991,81699479552,
 223207129087]

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Last modified March 28 08:22 EDT 2024. Contains 371236 sequences. (Running on oeis4.)