OFFSET
1,2
COMMENTS
Conjecture: For every n there exists a nonzero a(n).
LINKS
Robert G. Wilson v, Table of n, a(n) for n = 1..100
FORMULA
a(n) = A077306(n)/n. - Amarnath Murthy, Nov 03 2002
EXAMPLE
a(11) = 82737383012865106529 as 11*82737383012865106529 = 910111213141516171819 is the concatenation of 11 numbers from 9 to 19.
MATHEMATICA
f[ n_ ] := Block[ {id = Range@n}, While[ k = FromDigits@ Flatten@ IntegerDigits@ id/n; !IntegerQ@k, id++ ]; k ]; Array[ f, 16 ] (* Robert G. Wilson v, Oct 19 2007 *)
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Aug 31 2002
EXTENSIONS
More terms from Rick L. Shepherd, Sep 03 2002
STATUS
approved