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A116316 Numbers k such that k*(k+3) gives the concatenation of two numbers m and m+4. 5
386, 430, 568, 612, 815, 4522, 5476, 90911, 316833, 683165, 3636365, 6363633, 82352943, 331668333, 368421054, 395604392, 442767755, 461538463, 488721801, 511278197, 538461535, 557232243, 604395606, 631578944, 668331665 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

CROSSREFS

Cf. A116185, A116309, A116315, A116317, A116330.

Sequence in context: A063390 A130612 A060721 * A213115 A277988 A224496

Adjacent sequences:  A116313 A116314 A116315 * A116317 A116318 A116319

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, Feb 06 2006

STATUS

approved

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Last modified September 20 14:44 EDT 2021. Contains 347586 sequences. (Running on oeis4.)