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A002212 formatted as a simple table:

n a(n)
0 1
1 1
2 3
3 10
4 36
5 137
6 543
7 2219
8 9285
9 39587
10 171369
11 751236
12 3328218
13 14878455
14 67030785
15 304036170
16 1387247580
17 6363044315
18 29323149825
19 135700543190
20 630375241380
21 2938391049395
22 13739779184085
23 64430797069375

[1,1,3,10,36,137,543,2219,9285,39587,171369,
 751236,3328218,14878455,67030785,304036170,
 1387247580,6363044315,29323149825,135700543190,
 630375241380,2938391049395,13739779184085,
 64430797069375]

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Last modified December 3 22:15 EST 2009. Contains 170310 sequences.


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