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A116326 Numbers k such that k*(k+7) gives the concatenation of two numbers m and m+5. 5
8601, 9423, 35441, 64553, 73644, 4851412, 5148582, 8784946, 726216462985, 753613723259, 791909893642, 819307153916, 3654754464602947513, 4527063717215234299, 5472936282784765695, 6345245535397052481 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..16.

EXAMPLE

8784946 * 8784953 = 7717533//7717538, where // denotes concatenation.

CROSSREFS

Cf. A116195, A116319, A116325, A116327, A116332.

Sequence in context: A156846 A324711 A221053 * A031809 A252471 A250589

Adjacent sequences:  A116323 A116324 A116325 * A116327 A116328 A116329

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, Feb 06 2006

STATUS

approved

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Last modified September 20 05:17 EDT 2021. Contains 347577 sequences. (Running on oeis4.)