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A161268 formatted as a simple table:

n a(n)
1 0
2 0
3 0
4 2
5 1
6 4
7 2
8 6
9 5
10 8
11 7
12 14
13 10
14 19
15 17
16 26
17 24
18 37
19 32
20 50
21 47
22 65
23 63
24 87
25 83
26 112
27 110
28 143
29 143
30 183
31 182
32 229
33 233
34 285
35 291
36 356
37 363
38 435
39 451
40 531
41 551
42 649
43 671
44 782
45 818
46 937
47 982
48 1126
49 1175
50 1338
51 1406
52 1583
53 1667
54 1873
55 1965
56 2201
57 2318
58 2576
59 2714
60 3010

[0,0,0,2,1,4,2,6,5,8,7,14,10,19,17,26,24,37,32,50,
 47,65,63,87,83,112,110,143,143,183,182,229,233,
 285,291,356,363,435,451,531,551,649,671,782,818,
 937,982,1126,1175,1338,1406,1583,1667,1873,1965,
 2201,2318,2576,2714,3010]

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Last modified December 17 19:39 EST 2009. Contains 170821 sequences.


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