OFFSET
1,1
EXAMPLE
a(14) = 94 = floor[1416/15].
MAPLE
cat2 := proc(a, b) a*10^(max(1, ilog10(b)+1))+b ; end: A113697 := proc(n) floor(cat2(n, n+2)/(n+1)) ; end: seq(A113697(n), n=1..100) ; # R. J. Mathar, Feb 07 2008
MATHEMATICA
c[r_, s_] := ToExpression[ToString[r] <> ToString[s]]; Table[Floor[c[n, n+2] / (n+1)], {n, 1, 50}] (* Ryan Propper, May 06 2006 *)
Table[Floor[(n*10^IntegerLength[n+2]+n+2)/(n+1)], {n, 80}] (* Harvey P. Dale, Nov 05 2016 *)
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Nov 11 2005
EXTENSIONS
More terms from Ryan Propper, May 06 2006
More terms from R. J. Mathar, Feb 07 2008
Corrected typo in Example. - Harvey P. Dale, Nov 05 2016
STATUS
approved