OFFSET
1,2
COMMENTS
Equivalently, numerator of sum_{i=n(n-1)/2+1..n(n+1)/2} 1/i.
PROG
(PARI) nsn(n) = numerator(sum(i = n*(n-1)/2+1, n*(n+1)/2, 1/i)); \\ Michel Marcus, Aug 29 2013
CROSSREFS
KEYWORD
nonn,frac
AUTHOR
Amarnath Murthy, Apr 03 2003
EXTENSIONS
More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 08 2003
STATUS
approved