A116240 n times n+9 gives the concatenation of two numbers m and m-8.

93, 454, 538, 993, 7664, 9993, 72720, 99993, 356428, 643564, 999993, 9090909, 9999993, 35294117, 64705875, 99999993, 335664328, 664335664, 684210519, 818181818, 838056673, 846153846, 866028701, 980125138, 999999993

Offset

1,1

Links

Table of n, a(n) for n=1..25.

Crossrefs

Cf. A116109, A116231, A116239, A116245.

Sequence in context: A045265 A237604 A045235 * A193248 A146090 A160174

Adjacent sequences: A116237 A116238 A116239 * A116241 A116242 A116243

Keyword

nonn,base

Author

Giovanni Resta, Feb 06 2006

Status

approved