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A028247 formatted as a simple table:

n a(n)
4 1
5 2
6 6
7 10
8 19
9 28
10 44
11 60
12 86
13 110
14 146
15 182
16 233
17 278
18 343
19 403
20 490
21 557
22 664
23 749
24 879
25 978
26 1132
27 1237
28 1435
29 1551
30 1771
31 1905

[1,2,6,10,19,28,44,60,86,110,146,182,233,278,343,
 403,490,557,664,749,879,978,1132,1237,1435,1551,
 1771,1905]

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


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