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A001158 formatted as a simple table:

n a(n)
1 1
2 9
3 28
4 73
5 126
6 252
7 344
8 585
9 757
10 1134
11 1332
12 2044
13 2198
14 3096
15 3528
16 4681
17 4914
18 6813
19 6860
20 9198
21 9632
22 11988
23 12168
24 16380
25 15751
26 19782
27 20440
28 25112
29 24390
30 31752
31 29792
32 37449
33 37296
34 44226
35 43344
36 55261
37 50654
38 61740
39 61544

[1,9,28,73,126,252,344,585,757,1134,1332,2044,
 2198,3096,3528,4681,4914,6813,6860,9198,9632,
 11988,12168,16380,15751,19782,20440,25112,24390,
 31752,29792,37449,37296,44226,43344,55261,50654,
 61740,61544]

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


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