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 A055727 Number of lucky 4,6 triples <= 10^n. 0
 0, 2, 4, 14, 51, 247, 1405, 8506, 55228 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS A lucky 4,6 triple is a triple (k, k+4, k+6) such that k, k+4, and k+6 are lucky numbers and no other number between k and k+6 is lucky. - Sean A. Irvine, Apr 04 2022 A triple is counted in a(n) if its smallest member is at most 10^n. - Pontus von Brömssen, Apr 04 2022 LINKS Table of n, a(n) for n=0..8. CROSSREFS Cf. A000959. Sequence in context: A092665 A046650 A327235 * A003500 A316363 A295760 Adjacent sequences: A055724 A055725 A055726 * A055728 A055729 A055730 KEYWORD nonn,less,more AUTHOR Robert G. Wilson v, Jun 09 2000 EXTENSIONS a(7) from Sean A. Irvine, Apr 04 2022 a(8) from Pontus von Brömssen, Apr 04 2022 STATUS approved

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Last modified June 8 00:26 EDT 2023. Contains 363157 sequences. (Running on oeis4.)