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A146178 formatted as a simple table:

n a(n)
1 1
2 1
3 1
4 1
5 5
6 29
7 161
8 905
9 3749
10 24539
11 286931
12 3046339
13 51706885
14 1159037433
15 32728917231
16 966827028811

[1,1,1,1,5,29,161,905,3749,24539,286931,3046339,
 51706885,1159037433,32728917231,966827028811]

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.


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