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A154956 formatted as a simple table:

n a(n)
0 1
1 2
2 3
3 5
4 10
5 71
6 868
7 1788
8 7455
9 44266
10 54626
11 74153
12 224166
13 390471
14 1489304
15 3737961
16 22277163
17 37201631
18 113275744
19 165029426
20 2642368758
21 3362202939
22 5191046363
23 8438525012
24 36226438506
25 40174126779
26 125336047846

[1,2,3,5,10,71,868,1788,7455,44266,54626,74153,
 224166,390471,1489304,3737961,22277163,37201631,
 113275744,165029426,2642368758,3362202939,
 5191046363,8438525012,36226438506,40174126779,
 125336047846]

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.


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