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A111569 as a simple table

n a(n)
0 -1
1 1
2 2
3 1
4 1
5 4
6 7
7 9
8 14
9 25
10 41
11 64
12 103
13 169
14 274
15 441
16 713
17 1156
18 1871
19 3025
20 4894
21 7921
22 12817
23 20736
24 33551
25 54289
26 87842
27 142129
28 229969
29 372100
30 602071
31 974169
32 1576238
33 2550409
34 4126649
35 6677056
36 10803703
37 17480761
38 28284466
39 45765225

[-1,1,2,1,1,4,7,9,14,25,41,64,103,169,274,441,713,
 1156,1871,3025,4894,7921,12817,20736,33551,54289,
 87842,142129,229969,372100,602071,974169,1576238,
 2550409,4126649,6677056,10803703,17480761,
 28284466,45765225]

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Last modified April 24 19:06 EDT 2024. Contains 371962 sequences. (Running on oeis4.)