OFFSET
1,3
PROG
(PARI) {m=79; print1(a=1, ", "); v=[a]; for(n=2, m, a=0; q=n*(n+1)/2; for(j=1, n-1, if(gcd(v[j], q)==1, a++)); print1(a, ", "); v=concat(v, a))} - (Klaus Brockhaus, Aug 15 2006)
CROSSREFS
KEYWORD
nonn
AUTHOR
Leroy Quet, Aug 03 2006
EXTENSIONS
More terms from Klaus Brockhaus, Aug 15 2006
STATUS
approved