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A111804
Triangle read by rows: for T(n,k), 1<=k<=n, gcd(k,n)=1, consider all representations of k/n as an Egyptian fraction; T(n,k) = minimal value of maximal denominator.
3
1, 2, 3, 6, 4, 4, 5, 15, 10, 10, 6, 3, 7, 21, 21, 14, 14, 21, 8, 8, 8, 8, 9, 18, 9, 18, 9, 18, 10, 10, 5, 15, 11, 44, 44, 33, 33, 22, 22, 44, 44, 33, 12, 6, 4, 6, 13, 65, 39, 39, 52, 52, 26, 26, 39, 39, 52, 65, 14, 14, 21, 7, 21, 21, 15, 20, 10, 10, 5, 15, 6, 10, 16, 16, 16, 16, 16, 16
OFFSET
1,2
REFERENCES
Franklin T. Adams-Watters, Posting to Seq Fan mailing list, Aug 21 2004
EXAMPLE
Triangle begins:
1
2
3 6
4 4
5 15 10 10
6 3
7 21 21 14 14 21
8 8 8 8
9 18 9 18 9 18
10 10 5 15
11 44 44 33 33 22 22 44 44 33
12 6 4 6
13 65 39 39 65 52 26 26 39 39 52 65
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
N. J. A. Sloane, based on communications from Franklin T. Adams-Watters, Nov 22 2005
EXTENSIONS
One term corrected by David Wasserman, Feb 17 2009
STATUS
approved