A116114 Numbers k such that k concatenated with k-7 gives the product of two numbers which differ by 9.

13, 493, 607, 629, 757, 17927, 33247, 93869, 19467217, 31223879, 72757727, 13454739732766891651472740499, 40093333713615672956030023507, 48089152118689474641229584727, 66424317743191484432891678269

Offset

1,1

Links

Table of n, a(n) for n=1..15.

Crossrefs

Cf. A116109, A116113, A116180, A116245.

Sequence in context: A055412 A196911 A197078 * A281181 A183479 A203586

Adjacent sequences: A116111 A116112 A116113 * A116115 A116116 A116117

Keyword

nonn,base

Author

Giovanni Resta, Feb 06 2006

Status

approved