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A005313 formatted as a simple table:

n a(n)
1 1
2 3
3 6
4 13
5 29
6 70
7 175
8 449
9 1164
10 3035
11 7931
12 20748
13 54301
14 142143
15 372114
16 974185
17 2550425
18 6677074
19 17480779
20 45765245
21 119814936
22 313679543
23 821223671
24 2149991448

[1,3,6,13,29,70,175,449,1164,3035,7931,20748,
 54301,142143,372114,974185,2550425,6677074,
 17480779,45765245,119814936,313679543,821223671,
 2149991448]

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


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