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A001005 formatted as a simple table:

n a(n)
0 1
1 0
2 1
3 1
4 2
5 5
6 8
7 21
8 42
9 96
10 222
11 495
12 1177
13 2717
14 6435
15 15288
16 36374
17 87516
18 210494
19 509694
20 1237736
21 3014882
22 7370860
23 18059899
24 44379535
25 109298070
26 269766655
27 667224480
28 1653266565
29 4103910930
30 10203669285
31 25408828065

[1,0,1,1,2,5,8,21,42,96,222,495,1177,2717,6435,
 15288,36374,87516,210494,509694,1237736,3014882,
 7370860,18059899,44379535,109298070,269766655,
 667224480,1653266565,4103910930,10203669285,
 25408828065]

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.


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