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A002992 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 2
5 3
6 6
7 10
8 22
9 45
10 102
11 226
12 531
13 1253
14 3044
15 7456
16 18604
17 46798
18 119133
19 305567
20 790375
21 2057523
22 5390759
23 14200122
24 37598572
25 100005401
26 267131927
27 716318650
28 1927758155
29 5205240762
30 14098580633
31 38296720823
32 104308468102

[1,1,1,1,2,3,6,10,22,45,102,226,531,1253,3044,
 7456,18604,46798,119133,305567,790375,2057523,
 5390759,14200122,37598572,100005401,267131927,
 716318650,1927758155,5205240762,14098580633,
 38296720823,104308468102]

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Last modified June 19 12:08 EDT 2013. Contains 226404 sequences.