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A089292 as a simple table

n a(n)
0 1
1 1
2 3
3 5
4 12
5 20
6 41
7 69
8 132
9 222
10 399
11 665
12 1156
13 1904
14 3212
15 5234
16 8645
17 13925
18 22596
19 36008
20 57590
21 90862
22 143508
23 224316
24 350505
25 543159
26 840623
27 1292317
28 1983094
29 3026178
30 4608061
31 6983663
32 10559800
33 15901698
34 23889722
35 35760786
36 53405395
37 79498207

[1,1,3,5,12,20,41,69,132,222,399,665,1156,1904,
 3212,5234,8645,13925,22596,36008,57590,90862,
 143508,224316,350505,543159,840623,1292317,
 1983094,3026178,4608061,6983663,10559800,15901698,
 23889722,35760786,53405395,79498207]

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Last modified November 23 00:51 EST 2014. Contains 249836 sequences.