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A151496 formatted as a simple table:

n a(n)
0 1
1 1
2 7
3 27
4 160
5 870
6 5345
7 32865
8 211512
9 1380372
10 9214548
11 62327958
12 427516056
13 2963478804
14 20745401391
15 146427786219
16 1041261685464
17 7453015732448
18 53661092431232
19 388397497629284
20 2824677704718896
21 20632192727484936
22 151301370605585252
23 1113568687159297278
24 8223216946375477960

[1,1,7,27,160,870,5345,32865,211512,1380372,
 9214548,62327958,427516056,2963478804,20745401391,
 146427786219,1041261685464,7453015732448,
 53661092431232,388397497629284,2824677704718896,
 20632192727484936,151301370605585252,
 1113568687159297278,8223216946375477960]

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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