OFFSET
1,3
COMMENTS
Proposed by Leroy Quet.
Leroy Quet conjectures that the terms are always integral. This is true for p < 3*10^4.
PROG
(PARI) H(n)=sum(i=1, n, 1/i); forprime(p=3, 100, print1((2*numerator(H(p-3))-3*denominator(H(p-3)))/p, ", "))
CROSSREFS
KEYWORD
sign
AUTHOR
Mohammed Bouayoun (bouyao(AT)wanadoo.fr) and Ralf Stephan, Mar 07 2004
STATUS
approved