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A103816 formatted as a simple table:

n a(n)
0 0
1 1
2 1
3 2
4 5
5 19
6 91
7 177
8 3641
9 28673
10 28319
11 2523223
12 27526069
13 109339663
14 4239014627
15 59043418019
16 26718637649
17 14052333488521
18 238063061452591
19 158218865944829
20 7358312808534631
21 124213980448686521

[0,1,1,2,5,19,91,177,3641,28673,28319,2523223,
 27526069,109339663,4239014627,59043418019,
 26718637649,14052333488521,238063061452591,
 158218865944829,7358312808534631,
 124213980448686521]

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Last modified December 5 17:24 EST 2009. Contains 170342 sequences.


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