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A030235 formatted as a simple table:

n a(n)
1 0
2 0
3 1
4 12
5 72
6 467
7 2900
8 18426
9 117323
10 756237
11 4910525
12 32135651
13 211604221
14 1401106330
15 9321239836
16 62271754986
17 417545272654 

[0,0,1,12,72,467,2900,18426,117323,756237,4910525,
 32135651,211604221,1401106330,9321239836,
 62271754986,417545272654]

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Last modified December 6 13:15 EST 2009. Contains 170429 sequences.

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