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A150565 formatted as a simple table:

n a(n)
0 1
1 2
2 7
3 26
4 107
5 455
6 1997
7 8960
8 40802
9 188190
10 876126
11 4110613
12 19409604
13 92128043
14 439257473
15 2102256709
16 10094370187
17 48608230113
18 234652253431
19 1135270546210
20 5503323842213
21 26724710156090
22 129982634911257
23 633105351011227
24 3087646339418001
25 15076130618030798
26 73691824779803129

[1,2,7,26,107,455,1997,8960,40802,188190,876126,
 4110613,19409604,92128043,439257473,2102256709,
 10094370187,48608230113,234652253431,
 1135270546210,5503323842213,26724710156090,
 129982634911257,633105351011227,3087646339418001,
 15076130618030798,73691824779803129]

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.


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