A116291 n times n+7 gives the concatenation of a number m with itself.

4, 94, 455, 539, 994, 7665, 9994, 72721, 99994, 356429, 643565, 999994, 9090910, 9999994, 35294118, 64705876, 99999994, 335664329, 664335665, 684210520, 818181819, 838056674, 846153847, 866028702, 980125139, 999999994

Offset

1,1

Links

Table of n, a(n) for n=1..26.

Crossrefs

Cf. A116160, A116283, A116290, A116292, A116298.

Sequence in context: A030246 A116160 A321221 * A061992 A221389 A220374

Adjacent sequences: A116288 A116289 A116290 * A116292 A116293 A116294

Keyword

nonn,base

Author

Giovanni Resta, Feb 06 2006

Status

approved