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A097924 formatted as a simple table:

n a(n)
0 2
1 7
2 30
3 127
4 538
5 2279
6 9654
7 40895
8 173234
9 733831
10 3108558
11 13168063
12 55780810
13 236291303
14 1000946022
15 4240075391
16 17961247586
17 76085065735
18 322301510526
19 1365291107839
20 5783465941882
21 24499154875367
22 103780085443350

[2,7,30,127,538,2279,9654,40895,173234,733831,
 3108558,13168063,55780810,236291303,1000946022,
 4240075391,17961247586,76085065735,322301510526,
 1365291107839,5783465941882,24499154875367,
 103780085443350]

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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