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A120893 formatted as a simple table:

n a(n)
0 1
1 1
2 5
3 17
4 65
5 241
6 901
7 3361
8 12545
9 46817
10 174725
11 652081
12 2433601
13 9082321
14 33895685
15 126500417
16 472105985
17 1761923521
18 6575588101
19 24540428881
20 91586127425
21 341804080817
22 1275630195845
23 4760716702561
24 17767236614401

[1,1,5,17,65,241,901,3361,12545,46817,174725,
 652081,2433601,9082321,33895685,126500417,
 472105985,1761923521,6575588101,24540428881,
 91586127425,341804080817,1275630195845,
 4760716702561,17767236614401]

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.


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