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A150938 formatted as a simple table:

n a(n)
0 1
1 2
2 9
3 34
4 149
5 655
6 2973
7 13574
8 63259
9 295719
10 1395582
11 6621009
12 31568103
13 151073381
14 725686598
15 3495808919
16 16883082255
17 81722920784
18 396384608135
19 1925902365447
20 9372371654353
21 45675853427404
22 222882454310910
23 1088861624752285
24 5325182205148329
25 26068539172494960
26 127728002748159327

[1,2,9,34,149,655,2973,13574,63259,295719,1395582,
 6621009,31568103,151073381,725686598,3495808919,
 16883082255,81722920784,396384608135,
 1925902365447,9372371654353,45675853427404,
 222882454310910,1088861624752285,5325182205148329,
 26068539172494960,127728002748159327]

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


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