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A049285 formatted as a simple table:

n a(n)
1 0
2 0
3 0
4 0
5 1
6 1
7 2
8 4
9 7
10 13
11 24
12 43
13 78
14 141
15 253
16 455
17 818
18 1468
19 2637
20 4734
21 8495
22 15247
23 27361
24 49094
25 88093
26 158063
27 283599
28 508840
29 912956
30 1638003
31 2938861
32 5272795
33 9460227
34 16973125
35 30452380
36 54636174
37 98025512
38 175872397

[0,0,0,0,1,1,2,4,7,13,24,43,78,141,253,455,818,
 1468,2637,4734,8495,15247,27361,49094,88093,
 158063,283599,508840,912956,1638003,2938861,
 5272795,9460227,16973125,30452380,54636174,
 98025512,175872397]

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.


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