OFFSET
1,1
LINKS
Harry J. Smith, Table of n, a(n) for n = 1..80
PROG
(PARI) { n=0; x=0; for (m=1, 10^9, p=x; x=sigma(m + 1) - numdiv(m + 1); if (x == p, write("b065062.txt", n++, " ", m); if (n==100, return)) ) } \\ Harry J. Smith, Oct 05 2009
CROSSREFS
KEYWORD
nonn
AUTHOR
Jason Earls, Nov 06 2001
EXTENSIONS
More terms from David Wasserman, Aug 21 2002
a(31)-a(32) from Harry J. Smith, Oct 05 2009
STATUS
approved