login
A116182
Numbers k such that k concatenated with k+3 gives the product of two numbers which differ by 9.
4
3, 14879, 37733, 78677, 1358679, 3986627, 5217267, 71097587, 96105783, 119085207401333056054787, 163143914551633969404033, 355322363584753736584499, 428910715257982234999959
OFFSET
1,1
EXAMPLE
96105783//96105786 = 98033553 * 98033562, where // denotes
concatenation.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Giovanni Resta, Feb 06 2006
STATUS
approved