A116096 Numbers k such that k concatenated with k-9 gives the product of two numbers which differ by 4.

21, 30, 902406, 959721, 6040059046, 6242406405, 9842410005, 9900249006, 15033519988494, 17250863148969, 22499666270469, 27632040031654, 34182546327286, 37487353123861, 52213551379230, 74230108225630

Offset

1,1

Links

Table of n, a(n) for n=1..16.

Example

9900249006//9900248997 = 9949999499 * 9949999503, where // denotes concatenation.

Crossrefs

Cf. A116095, A116097, A116104, A116227.

Sequence in context: A228142 A276756 A115433 * A116116 A079394 A112375

Adjacent sequences: A116093 A116094 A116095 * A116097 A116098 A116099

Keyword

nonn,base

Author

Giovanni Resta, Feb 06 2006

Status

approved