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A290996 as a simple table

n a(n)
0 1
1 2
2 4
3 9
4 22
5 55
6 136
7 330
8 789
9 1872
10 4433
11 10510
12 24968
13 59409
14 141470
15 336935
16 802340
17 1910166
18 4546845
19 10822176
20 25758097
21 61308650
22 145928764
23 347350473
24 826795942
25 1968018151
26 4684451824
27 11150316882
28 26540849109
29 63174538224
30 150372815489

[1,2,4,9,22,55,136,330,789,1872,4433,10510,24968,
 59409,141470,336935,802340,1910166,4546845,
 10822176,25758097,61308650,145928764,347350473,
 826795942,1968018151,4684451824,11150316882,
 26540849109,63174538224,150372815489]

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Last modified April 17 22:23 EDT 2024. Contains 371767 sequences. (Running on oeis4.)