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A109323 formatted as a simple table:

n a(n)
1 2
2 9
3 49
4 423
5 1333
6 4425
7 8763
8 14089
9 22825
10 40291
11 178705
12 661285
13 4543141
14 20706715
15 29243521
16 31089603
17 32341621
18 99158905
19 417976441

[2,9,49,423,1333,4425,8763,14089,22825,40291,
 178705,661285,4543141,20706715,29243521,31089603,
 32341621,99158905,417976441]

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Last modified December 6 13:45 EST 2009. Contains 170429 sequences.


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