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Invitation: celebrating 50 years of OEIS, 250000 sequences, and Sloane's 75th, there will be a conference at DIMACS, Rutgers, Oct 9-10 2014.

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A156098 as a simple table

n a(n)
7 1
8 1
9 1
10 1
11 2
12 2
13 3
14 2
15 6
16 7
17 9
18 7
19 12
20 12
21 16

[1,1,1,1,2,2,3,2,6,7,9,7,12,12,16]

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Last modified September 23 06:25 EDT 2014. Contains 247098 sequences.