A116203 Numbers k such that k concatenated with k+6 gives the product of two numbers which differ by 9.

24, 26, 1014, 1196, 4280, 4646, 10512559797957763880, 22117246687805424846, 24058546574769555806, 25959521962351403984, 28059292876752476030, 45666404019969616806, 51120259070514684854, 56575813788698035286

Offset

1,1

Links

Table of n, a(n) for n=1..14.

Example

4646//4652 = 6812 * 6821, where // denotes concatenation.

Crossrefs

Cf. A116197, A116202, A116211, A116334.

Sequence in context: A058627 A286130 A279427 * A345499 A071833 A064159

Adjacent sequences: A116200 A116201 A116202 * A116204 A116205 A116206

Keyword

nonn,base

Author

Giovanni Resta, Feb 06 2006

Status

approved