A116147 - OEIS

A116147

Numbers k such that k concatenated with k-2 gives the product of two numbers which differ by 9.

4962, 237412345332, 262912791034, 468307643502

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OFFSET

1,1

COMMENTS

Also, numbers k such that k concatenated with k+6 gives the product of two numbers which differ by 7.

LINKS

EXAMPLE

4962//4960 = 7040 * 7049, where // denotes concatenation.

CROSSREFS

KEYWORD

nonn,base

AUTHOR

EXTENSIONS

Edited by N. J. A. Sloane at the suggestion of Eric Desbiaux, Mar 23 2008

STATUS

approved