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A030977 formatted as a simple table:

n a(n)
1 1
2 2
3 8
4 33
5 167
6 1004
7 7033
8 56271
9 506439
10 5064398
11 55708382
12 668500584
13 8690507599
14 121667106396
15 1825006595947
16 29200105535158
17 496401794097692
18 8935232293758467
19 169769413581410888
20 3395388271628217765

[1,2,8,33,167,1004,7033,56271,506439,5064398,
 55708382,668500584,8690507599,121667106396,
 1825006595947,29200105535158,496401794097692,
 8935232293758467,169769413581410888,
 3395388271628217765]

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


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