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 A061586 a(1) = 1, a(n)= number obtained by replacing each digit of a(n-1) with eight times its value. 6
 1, 8, 64, 4832, 32642416, 241648321632848, 1632848326424168482416643264, 84824166432642416483216328486432641632848483224164832, 64326416328484832241648321632848326424168482416643264483224164832848241664326432642416163284832642416 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS John Cerkan, Table of n, a(n) for n = 1..12 MATHEMATICA NestList[FromDigits[Flatten[IntegerDigits/@(8*IntegerDigits[#])]]&, 1, 10] (* Harvey P. Dale, Sep 22 2012 *) PROG (Python) def A061586_first(n): an = "1" cnt = 1 a061586 = [] while cnt < n: a061586.append(int(an)) newan = "" for i in an: newan += str(8*int(i)) an = newan cnt += 1 a061586.append(int(an)) return a061586 # John Cerkan, May 25 2018 CROSSREFS Cf. A061581-A061587. Sequence in context: A154710 A069033 A087337 * A132545 A034376 A202783 Adjacent sequences: A061583 A061584 A061585 * A061587 A061588 A061589 KEYWORD nonn,base,easy AUTHOR Amarnath Murthy, May 13 2001 EXTENSIONS More terms from Larry Reeves (larryr(AT)acm.org) and Asher Natan Auel (auela(AT)reed.edu), May 15 2001 STATUS approved

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Last modified April 1 03:44 EDT 2023. Contains 361673 sequences. (Running on oeis4.)