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A023800
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Xenodromes: all digits in base 5 are different.
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5
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0, 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 19, 20, 21, 22, 23, 27, 28, 29, 35, 38, 39, 40, 42, 44, 45, 47, 48, 51, 53, 54, 55, 58, 59, 65, 66, 69, 70, 71, 73, 76, 77, 79, 80, 82, 84, 85, 86, 89, 95, 96, 97, 101, 102, 103, 105, 107, 108, 110, 111, 113
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,3
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LINKS
| Nathaniel Johnston, Table of n, a(n) for n = 1..261 (full sequence)
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MAPLE
| A023800 := proc(n) option remember: local d, j, k, inseq: if(n=1)then return 0:fi: for k from procname(n-1)+1 do d:=convert(k, base, 5): inseq:=true: for j from 0 to 4 do if(numboccur(d, j)>=2)then inseq:=false:break: fi: od: if(inseq)then return k: fi: od: end: seq(A023800(n), n=1..66); # Nathaniel Johnston, May 17 2011
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CROSSREFS
| Cf. A023798 - A023810.
Sequence in context: A037918 A043091 A031943 * A088725 A094520 A136447
Adjacent sequences: A023797 A023798 A023799 * A023801 A023802 A023803
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KEYWORD
| nonn,base,fini,easy
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AUTHOR
| Olivier Gerard (olivier.gerard(AT)gmail.com)
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