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Search: id:A076637
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| A076637 |
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Numerators of harmonic numbers when the numerators are divisible by squares of primes >= 5 (cf. Wolstenholme's Theorem). |
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+0
2
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| 25, 49, 7381, 86021, 2436559, 14274301, 19093197, 315404588903, 9304682830147, 54801925434709, 2078178381193813
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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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.
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CROSSREFS
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Cf. A076638.
Sequence in context: A056981 A132585 A049228 this_sequence A040600 A033902 A009177
Adjacent sequences: A076634 A076635 A076636 this_sequence A076638 A076639 A076640
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KEYWORD
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nonn,frac
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AUTHOR
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Michael Gilleland (megilleland(AT)yahoo.com), Oct 23 2002
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