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A034421 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 0
9 0
10 0
11 0
12 0
13 0
14 0
15 0
16 0
17 1
18 1
19 3
20 4
21 9
22 12
23 24
24 34
25 59
26 86
27 141
28 205
29 326
30 473
31 728
32 1058
33 1595
34 2308
35 3431
36 4949
37 7265
38 10448
39 15202
40 21785
41 31486
42 44994
43 64663
44 92196
45 131956
46 187758
47 267927
48 380704
49 542085
50 769649

[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,3,4,9,12,24,
 34,59,86,141,205,326,473,728,1058,1595,2308,3431,
 4949,7265,10448,15202,21785,31486,44994,64663,
 92196,131956,187758,267927,380704,542085,769649]

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Last modified April 19 18:05 EDT 2024. Contains 371798 sequences. (Running on oeis4.)