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A331680 as a simple table

n a(n)
1 1
2 0
3 1
4 1
5 2
6 3
7 6
8 9
9 16
10 26
11 45
12 72
13 124
14 201
15 341
16 561
17 947
18 1571
19 2651
20 4434
21 7496
22 12631
23 21423
24 36332
25 61910
26 105641
27 180924
28 310548
29 534713
30 923047 

[1,0,1,1,2,3,6,9,16,26,45,72,124,201,341,561,947,
 1571,2651,4434,7496,12631,21423,36332,61910,
 105641,180924,310548,534713,923047]

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Last modified July 14 22:52 EDT 2024. Contains 374323 sequences. (Running on oeis4.)