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 A200779 a(n) = number of i in the range 1 <= i <= n such that b(i)=b(n), where b is the sequence A053615 taken with offset 1. 1
 1, 1, 2, 2, 1, 3, 3, 4, 2, 1, 3, 5, 4, 6, 4, 2, 1, 3, 5, 7, 5, 8, 6, 4, 2, 1, 3, 5, 7, 9, 6, 10, 8, 6, 4, 2, 1, 3, 5, 7, 9, 11, 7, 12, 10, 8, 6, 4, 2, 1, 3, 5, 7, 9, 11, 13, 8, 14, 12, 10, 8, 6, 4, 2, 1, 3, 5, 7, 9, 11, 13, 15, 9, 16, 14, 12, 10, 8, 6, 4, 2, 1, 3, 5, 7, 9, 11, 13, 15, 17, 10, 18, 16, 14, 12, 10, 8, 6, 4, 2, 1, 3, 5, 7 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS This assumes that the word "digit" in the definition in the Wimblik web page is changed to "number". LINKS Table of n, a(n) for n=1..104. Quoss Wimblik, A new numeral system MAPLE # b[n] = number of i <= n such that a[i]=a[n]. FREQ:=proc(a) local b, i, c, n, t1: if whattype(a) <> list then RETURN([]); fi: b:=[]; for n from 1 to nops(a) do c:=0; t1:=a[n]; for i from 1 to n do if a[i]=t1 then c:=c+1; fi; od: b:=[op(b), c]; od; RETURN(b); end: # read A053615 as a list called s1 FREQ(s1); CROSSREFS Sequence in context: A245370 A321341 A284549 * A286558 A368153 A355668 Adjacent sequences: A200776 A200777 A200778 * A200780 A200781 A200782 KEYWORD nonn AUTHOR N. J. A. Sloane, Nov 22 2011 STATUS approved

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Last modified April 24 05:33 EDT 2024. Contains 371918 sequences. (Running on oeis4.)