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A116283 n times n+7 gives the concatenation of two numbers m and m-1. 5
7, 30, 64, 42753, 57241, 75423, 425072, 574922, 979528, 4301393, 5698601, 7028666, 4925000747, 5074999247, 7748266574, 8511881484, 8814851184, 7059602159672, 7106167933828, 7439286611621, 7485852385777 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..21.

CROSSREFS

Cf. A116152, A116269, A116282, A116284, A116291.

Sequence in context: A018831 A063128 A063148 * A139274 A086640 A083474

Adjacent sequences:  A116280 A116281 A116282 * A116284 A116285 A116286

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, Feb 06 2006

STATUS

approved

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Last modified October 1 08:39 EDT 2020. Contains 337442 sequences. (Running on oeis4.)