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A002310 formatted as a simple table:

n a(n)
0 1
1 2
2 9
3 43
4 206
5 987
6 4729
7 22658
8 108561
9 520147
10 2492174
11 11940723
12 57211441
13 274116482
14 1313370969
15 6292738363
16 30150320846
17 144458865867
18 692144008489
19 3316261176578
20 15889161874401
21 76129548195427

[1,2,9,43,206,987,4729,22658,108561,520147,
 2492174,11940723,57211441,274116482,1313370969,
 6292738363,30150320846,144458865867,692144008489,
 3316261176578,15889161874401,76129548195427]

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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