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A116284 n times n+9 gives the concatenation of two numbers m and m-1. 4
32, 60, 804, 4778, 5214, 7406, 48208886, 51791106, 77620651, 4291816088, 4482541430, 5517458562, 5708183904, 9036996876, 9737360643, 3579205562000136225339579331, 3939042613182345526485238179 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..17.

CROSSREFS

Cf. A116153, A116278, A116283, A116293.

Sequence in context: A117478 A008434 A130447 * A138555 A050708 A132300

Adjacent sequences:  A116281 A116282 A116283 * A116285 A116286 A116287

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, Feb 06 2006

STATUS

approved

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Last modified August 9 22:52 EDT 2020. Contains 336335 sequences. (Running on oeis4.)