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A076637 Numerators of harmonic numbers when the numerators are divisible by squares of primes >= 5 (cf. Wolstenholme's Theorem). 1
25, 49, 7381, 86021, 2436559, 14274301, 19093197, 315404588903, 9304682830147, 54801925434709, 2078178381193813 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

a(1)=25 because the numerator of the harmonic number 25/12 is divisible by the square of 5; a(2)=49 because the numerator of the harmonic number 49/20 is divisible by the square of 7; etc.

CROSSREFS

Cf. A076638.

Sequence in context: A056981 A132585 A049228 * A040600 A033902 A009177

Adjacent sequences:  A076634 A076635 A076636 * A076638 A076639 A076640

KEYWORD

nonn,frac

AUTHOR

Michael Gilleland (megilleland(AT)yahoo.com), Oct 23 2002

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Last modified February 17 23:05 EST 2012. Contains 206085 sequences.