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A106394 Table read by rows, where n-th row is denominators of Egyptian fraction, derived using the greedy algorithm, of the n-th harmonic number (sum{k=1 to n}1/k). 3
1, 1, 2, 1, 2, 3, 1, 1, 12, 1, 1, 4, 30, 1, 1, 3, 9, 180, 1, 1, 2, 11, 514, 395780, 1, 1, 2, 5, 56, 1, 1, 2, 4, 13, 489, 5339880, 1, 1, 2, 3, 11, 212, 113013, 18448242120, 1, 1, 1, 51, 3711, 30680205, 1192281609186360, 1, 1, 1, 10, 312, 180180 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

COMMENTS

Let s be the sum of the harmonic numbers. When s > 1, the Egyprian fraction here begins with floor(s) 1's. - Jud McCranie (JudMcCranie(AT)ugaalum.uga.edu), May 03 2005

The n-th row of the table has A112330(n) terms.

EXAMPLE

By the greedy algorithm, sum{k=1 to 4} 1/k = 1 + 1 + 1/12.

CROSSREFS

Cf. A106395.

Sequence in context: A103823 A136642 A080382 * A171712 A091412 A106036

Adjacent sequences:  A106391 A106392 A106393 * A106395 A106396 A106397

KEYWORD

easy,nonn,tabf

AUTHOR

Leroy Quet May 01 2005

EXTENSIONS

More terms from Jud McCranie (JudMcCranie(AT)ugaalum.uga.edu), May 03 2005

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Last modified February 16 14:37 EST 2012. Contains 205930 sequences.