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A042705 formatted as a simple table:

n a(n)
0 1
1 1
2 3
3 10
4 63
5 199
6 461
7 660
8 38741
9 39401
10 117543
11 392030
12 2469723
13 7801199
14 18072121
15 25873320
16 1518724681
17 1544598001
18 4607920683
19 15368360050
20 96818080983
21 305822602999
22 708463286981
23 1014285889980

[1,1,3,10,63,199,461,660,38741,39401,117543,
 392030,2469723,7801199,18072121,25873320,
 1518724681,1544598001,4607920683,15368360050,
 96818080983,305822602999,708463286981,
 1014285889980]

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Last modified December 4 08:07 EST 2009. Contains 170310 sequences.


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