A078810 a(n) = A078218(n)/n.
1, 6, 44, 31, 3, 206, 25, 156, 155, 1251, 101, 1028844, 87, 9082, 901, 7801, 69, 687177, 63, 622551, 6534, 550555, 535, 51445051, 61, 46664, 51582, 44540815, 445, 411870051, 423, 390051, 397373, 358042, 44958, 34296978288, 371, 32089, 336767
Offset: 1
Crossrefs
Cf. A078218.
Programs
-
PARI
{for(n=1,39,k=floor(log(n)/log(10))+1; d=divisors(n); v=Str(); for(i=1,matsize(d)[2], v=concat(v,Str(d[i]))); 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; while(b>0,q=floor(s/n); while(b>0&&(p=q*n)