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A180086 as a simple table

n a(n)
2 1
3 3
4 6
5 11
6 20
7 33
8 54
9 87
10 142
11 226
12 360
13 571
14 907
15 1438
16 2278
17 3606
18 5708
19 9032
20 14293
21 22614
22 35778
23 56604
24 89550
25 141670
26 224122
27 354560
28 560907
29 887348
30 1403768
31 2220731
32 3513149
33 5557726
34 8792197
35 13909055
36 22003808

[1,3,6,11,20,33,54,87,142,226,360,571,907,1438,
 2278,3606,5708,9032,14293,22614,35778,56604,89550,
 141670,224122,354560,560907,887348,1403768,
 2220731,3513149,5557726,8792197,13909055,22003808]

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Last modified August 24 23:01 EDT 2024. Contains 375418 sequences. (Running on oeis4.)