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 A116168 Numbers k such that k concatenated with k+1 gives the product of two numbers which differ by 8. 9
 19, 32, 16284704, 35576083, 15764836187996024260119639732979, 19807200907254352332962649366152, 20298517078413563250826300137112, 30190765850423053042937262322867, 30796637697589506772859224996627 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Also numbers k such that k concatenated with k+8 gives the product of two numbers which differ by 6. LINKS Table of n, a(n) for n=1..9. EXAMPLE 35576083//35576084 = 59645686 * 59645694, where // denotes concatenation. 35576083//35576091 = 59645687 * 59645693. CROSSREFS Cf. A116161, A116167, A116169, A116174, A116299. Cf. A116208, A115430, A116215, A116345. Sequence in context: A101063 A061962 A272910 * A152088 A372427 A362410 Adjacent sequences: A116165 A116166 A116167 * A116169 A116170 A116171 KEYWORD nonn,base AUTHOR Giovanni Resta, Feb 06 2006 EXTENSIONS Edited by N. J. A. Sloane, Apr 15 2007 STATUS approved

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Last modified June 13 22:21 EDT 2024. Contains 373391 sequences. (Running on oeis4.)