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A064798 formatted as a simple table:

n a(n)
0 0
1 0
2 11
3 40
4 112
5 312
6 71
7 4888
8 322
9 333710
10 9414
11 534888
12 10073
13 265371785
14 913990
15 2906544
16 5882692
17 5365294080
18 386339
19 1111111111111111111
20 41017
21 10845593
22 547805
23 11111111111111111111111
24 100000284
25 182521260315

[0,0,11,40,112,312,71,4888,322,333710,9414,534888,
 10073,265371785,913990,2906544,5882692,5365294080,
 386339,1111111111111111111,41017,10845593,547805,
 11111111111111111111111,100000284,182521260315]

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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