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 A214677 a(n) = n represented in bijective base-7 numeration. 3
 1, 2, 3, 4, 5, 6, 7, 11, 12, 13, 14, 15, 16, 17, 21, 22, 23, 24, 25, 26, 27, 31, 32, 33, 34, 35, 36, 37, 41, 42, 43, 44, 45, 46, 47, 51, 52, 53, 54, 55, 56, 57, 61, 62, 63, 64, 65, 66, 67, 71, 72, 73, 74, 75, 76, 77, 111, 112, 113, 114, 115, 116, 117, 121, 122 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Alois P. Heinz, Table of n, a(n) for n = 1..10000 R. R. Forslund, A logical alternative to the existing positional number system, Southwest Journal of Pure and Applied Mathematics, Vol. 1, 1995, 27-29. Eric Weisstein's World of Mathematics, Zerofree Wikipedia, Bijective numeration MAPLE a:= proc(n) local d, l, m; m:= n; l:= NULL;       while m>0 do d:= irem(m, 7, 'm');         if d=0 then d:=7; m:= m-1 fi;         l:= d, l       od; parse(cat(l))     end: seq(a(n), n=1..100); CROSSREFS Column k=7 of A214676. Sequence in context: A102453 A265571 A265555 * A275910 A032971 A099466 Adjacent sequences:  A214674 A214675 A214676 * A214678 A214679 A214680 KEYWORD nonn,base,easy AUTHOR Alois P. Heinz, Jul 25 2012 STATUS approved

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Last modified June 25 10:29 EDT 2019. Contains 324351 sequences. (Running on oeis4.)