A116280 n times n+3 gives the concatenation of two numbers m and m-1.

6, 77, 80918, 91808, 326509, 475024, 524974, 673489, 4323776, 4767131, 5232867, 5676222, 4083911140, 4975000249, 5024999749, 5916088858, 9503960495, 9604950395, 4186904462791, 4313465946774, 5686534053224, 5813095537207

Offset

1,1

Links

Table of n, a(n) for n=1..22.

Crossrefs

Cf. A116149, A116274, A116279, A116281, A116287.

Sequence in context: A301834 A366540 A030641 * A134788 A167498 A250388

Adjacent sequences: A116277 A116278 A116279 * A116281 A116282 A116283

Keyword

nonn,base

Author

Giovanni Resta, Feb 06 2006

Status

approved