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A132412 formatted as a simple table:

n a(n)
0 2
1 29
2 180
3 873
4 3710
5 14523
6 53735
7 190781
8 656349
9 2202646
10 7244771
11 23436689
12 74767863
13 235710439
14 735528908
15 2274844293
16 6980781345
17 21273830000
18 64432110647
19 194066078163
20 581597738907
21 1735097817527
22 5155001023065

[2,29,180,873,3710,14523,53735,190781,656349,
 2202646,7244771,23436689,74767863,235710439,
 735528908,2274844293,6980781345,21273830000,
 64432110647,194066078163,581597738907,
 1735097817527,5155001023065]

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


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