A116227 n times n+4 gives the concatenation of two numbers m and m-9.

44, 53, 949949, 979652, 7771781677, 7900890078, 9920892098, 9949999499, 38773083432315, 41534158410840, 47433813119406, 52566186880591, 58465841589157, 61226916567682, 72258945037433, 86156896546723

Offset

1,1

Links

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

Crossrefs

Cf. A116096, A116226, A116228, A116235.

Sequence in context: A066124 A270298 A231402 * A214176 A306116 A185590

Adjacent sequences: A116224 A116225 A116226 * A116228 A116229 A116230

Keyword

nonn,base

Author

Giovanni Resta, Feb 06 2006

Status

approved