1,2

(PARI) {print1(a=1, ", "); for(n=2, 9, k=floor(log(a)/log(10))+1; v=Str(n); for(i=2, n, v=concat(v, Str(n))); s=eval(v); t=s+1; m=floor(log(s)/log(10))+1; d=k-m; s=s*10^d; t=t*10^d; b=1; j=d; while(b>0, q=floor(s/a); while(b>0&&(p=q*a)<t, if(p>=s, print1(p, ", "); b=0, q++)); s=10*s; t=10*t); a=p)}

Cf. A078399.

Sequence in context: A013727 A028692 A127486 this_sequence A060619 A092212 A013770

Adjacent sequences: A078395 A078396 A078397 this_sequence A078399 A078400 A078401

base,nonn

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 26 2002

Edited and extended by Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Dec 04 2002