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A143609 formatted as a simple table:

n a(n)
1 2
2 3
3 10
4 17
5 58
6 99
7 338
8 577
9 1970
10 3363
11 11482
12 19601
13 66922
14 114243
15 390050
16 665857
17 2273378
18 3880899
19 13250218
20 22619537
21 77227930

[2,3,10,17,58,99,338,577,1970,3363,11482,19601,
 66922,114243,390050,665857,2273378,3880899,
 13250218,22619537,77227930]

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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