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A049177 formatted as a simple table:

n a(n)
1 1
2 1
3 3
4 11
5 45
6 197
7 903
8 4277
9 20773
10 102893
11 517771
12 2639571
13 13603509
14 70758321
15 370979823
16 1958471433
17 10401832121
18 55542275273
19 297991827555
20 1605599352347
21 8684388729741
22 47136082628653
23 256651601838839

[1,1,3,11,45,197,903,4277,20773,102893,517771,
 2639571,13603509,70758321,370979823,1958471433,
 10401832121,55542275273,297991827555,
 1605599352347,8684388729741,47136082628653,
 256651601838839]

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.


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