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 A151753 Leading digits of A151752. 2
 5, 7, 3, 9, 5, 3, 3, 9, 1, 3, 7, 7, 3, 7, 7, 5, 1, 5, 7, 9, 3, 7, 3, 3, 9, 9, 9, 5, 3, 7, 1, 7, 9, 5, 7, 9, 3, 1, 3, 9, 5, 7, 5, 5, 7, 7, 1, 1, 3, 1, 9, 5, 9, 1, 9, 5, 5, 7, 7, 7, 7, 7, 9, 7, 9, 9, 7, 7, 3, 3, 5, 9, 7, 7, 1, 1, 5, 9, 7, 1, 5, 1, 7, 5, 9, 1, 7, 9, 3, 5, 3, 9, 1, 7, 9, 9, 1, 9, 9, 1, 5, 3, 7, 5, 9 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Alois P. Heinz, Table of n, a(n) for n = 1..10000 FORMULA a(n) = A000030(A151752(n)). - Omar E. Pol, Jul 04 2019 MAPLE a:= proc(n) option remember; local k, l; if n=1 then b(1):= 5; 5 else a(n-1); l:= b(n-1); for k from 1 to 9 by 2 while (parse(cat(k, l)) mod 5^n)<>0 do od; b(n):= parse(cat(k, l)); k fi end: seq(a(n), n=1..120); # Alois P. Heinz, Jun 18 2009 CROSSREFS Cf. A000030, A151752. Sequence in context: A345653 A091663 A011316 * A144543 A205135 A076567 Adjacent sequences:  A151750 A151751 A151752 * A151754 A151755 A151756 KEYWORD nonn,base AUTHOR Max Alekseyev, Jun 17 2009 EXTENSIONS More terms from Alois P. Heinz, Jun 18 2009 STATUS approved

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Last modified January 17 20:06 EST 2022. Contains 350410 sequences. (Running on oeis4.)