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A109796 formatted as a simple table:

n a(n)
1 2
2 55
3 474
4 2093
5 6730
6 17357
7 38748
8 77621
9 143308
10 248037
11 407558
12 641437
13 973380
14 1432721
15 2052922
16 2874563
17 3944166
18 5314265
19 7045924
20 9206477
21 11874460
22 15134597
23 19083406
24 23826383
25 29480190
26 36172177
27 44039724

[2,55,474,2093,6730,17357,38748,77621,143308,
 248037,407558,641437,973380,1432721,2052922,
 2874563,3944166,5314265,7045924,9206477,11874460,
 15134597,19083406,23826383,29480190,36172177,
 44039724]

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Last modified December 6 13:45 EST 2009. Contains 170429 sequences.


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