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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

REFERENCES

Franklin T. Adams-Watters, Posting to Seq Fan mailing list, Aug 21 2004

LINKS

Table of n, a(n) for n=1..78.

Index entries for sequences related to Egyptian fractions

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

Cf. A097847, A097848, A097849, A111807, A111809, A111860.

Sequence in context: A091834 A050210 A003573 * A246835 A213625 A132368

Adjacent sequences:  A111801 A111802 A111803 * A111805 A111806 A111807

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

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Last modified November 17 11:02 EST 2019. Contains 329226 sequences. (Running on oeis4.)