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A000987 formatted as a simple table:

n a(n)
0 0
1 1
2 1
3 2
4 7
5 32
6 184
7 1268
8 10186
9 93356
10 960646
11 10959452
12 137221954
13 1870087808
14 27548231008
15 436081302248
16 7380628161076
17 132975267434552

[0,1,1,2,7,32,184,1268,10186,93356,960646,
 10959452,137221954,1870087808,27548231008,
 436081302248,7380628161076,132975267434552]

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.


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