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A001590 formatted as a simple table:

n a(n)
0 0
1 1
2 0
3 1
4 2
5 3
6 6
7 11
8 20
9 37
10 68
11 125
12 230
13 423
14 778
15 1431
16 2632
17 4841
18 8904
19 16377
20 30122
21 55403
22 101902
23 187427
24 344732
25 634061
26 1166220
27 2145013
28 3945294
29 7256527
30 13346834
31 24548655
32 45152016
33 83047505
34 152748176
35 280947697

[0,1,0,1,2,3,6,11,20,37,68,125,230,423,778,1431,
 2632,4841,8904,16377,30122,55403,101902,187427,
 344732,634061,1166220,2145013,3945294,7256527,
 13346834,24548655,45152016,83047505,152748176,
 280947697]

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.


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