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A103938 formatted as a simple table:

n a(n)
1 3
2 2
3 5
4 18
5 77
6 364
7 1836
8 9690
9 52877
10 296010
11 1690845
12 9817080
13 57769740
14 343806368
15 2065802056
16 12515350122
17 76367432013
18 468922828150
19 2895381678735
20 17966214519330

[3,2,5,18,77,364,1836,9690,52877,296010,1690845,
 9817080,57769740,343806368,2065802056,12515350122,
 76367432013,468922828150,2895381678735,
 17966214519330]

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.


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