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A011851 formatted as a simple table:

n a(n)
0 0
1 0
2 0
3 0
4 0
5 0
6 1
7 4
8 11
9 25
10 50
11 92
12 158
13 257
14 400
15 600
16 873
17 1237
18 1713
19 2325
20 3100
21 4069
22 5266
23 6729
24 8500
25 10626
26 13156
27 16146
28 19656
29 23751
30 28501
31 33982
32 40275
33 47467
34 55651
35 64926
36 75398
37 87179

[0,0,0,0,0,0,1,4,11,25,50,92,158,257,400,600,873,
 1237,1713,2325,3100,4069,5266,6729,8500,10626,
 13156,16146,19656,23751,28501,33982,40275,47467,
 55651,64926,75398,87179]

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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