A078399 a(n) = A078398(n+1)/A078398(n).

22, 1514, 13343, 125004, 1200004, 11666669, 114285716, 1125000004, 10101010103642703324, 1099999999999999999908, 109090909090909090909007, 10833333333333333333333295, 1076923076923076923076923041

Offset

1,1

Links

Table of n, a(n) for n=1..13.

Prog

(PARI) {a=1; for(n=2, 14, 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(q, ", "); b=0, q++)); s=10*s; t=10*t); a=p)}

Crossrefs

Cf. A078398.

Sequence in context: A160309 A367369 A033526 * A243478 A245658 A277664

Adjacent sequences: A078396 A078397 A078398 * A078400 A078401 A078402

Keyword

base,nonn

Author

Amarnath Murthy, Nov 26 2002

Extensions

Edited and extended by Klaus Brockhaus, Dec 04 2002

Status

approved