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A209231 as a simple table

n a(n)
0 0
1 0
2 0
3 0
4 1
5 3
6 6
7 10
8 15
9 22
10 33
11 51
12 80
13 125
14 193
15 295
16 449
17 684
18 1045
19 1600
20 2451
21 3752
22 5738
23 8770
24 13403
25 20488
26 31326
27 47903
28 73251
29 112003
30 171244
31 261812
32 400284
33 612008
34 935736
35 1430709
36 2187495
37 3344566
38 5113646
39 7818463
40 11953990

[0,0,0,0,1,3,6,10,15,22,33,51,80,125,193,295,449,
 684,1045,1600,2451,3752,5738,8770,13403,20488,
 31326,47903,73251,112003,171244,261812,400284,
 612008,935736,1430709,2187495,3344566,5113646,
 7818463,11953990]

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Last modified April 23 22:36 EDT 2024. Contains 371917 sequences. (Running on oeis4.)