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A122235 formatted as a simple table:

n a(n)
1 44
2 216
3 968
4 3860
5 16132
6 62064
7 247236
8 1044612
9 4073156
10 16161828
11 64513624
12 253336008
13 1046901060
14 4267950372
15 16347521428
16 68075401492
17 268150646664
18 1086041921700
19 4254535157576
20 17346201751972
21 66879000490408
22 276319489325472

[44,216,968,3860,16132,62064,247236,1044612,
 4073156,16161828,64513624,253336008,1046901060,
 4267950372,16347521428,68075401492,268150646664,
 1086041921700,4254535157576,17346201751972,
 66879000490408,276319489325472]

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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