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A007094
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Numbers in base 8.
(Formerly M0498)
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25
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0, 1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 16, 17, 20, 21, 22, 23, 24, 25, 26, 27, 30, 31, 32, 33, 34, 35, 36, 37, 40, 41, 42, 43, 44, 45, 46, 47, 50, 51, 52, 53, 54, 55, 56, 57, 60, 61, 62, 63, 64, 65, 66, 67, 70, 71, 72, 73, 74, 75, 76, 77, 100, 101, 102
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,3
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REFERENCES
| N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
| Nathaniel Johnston, Table of n, a(n) for n = 0..10000
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FORMULA
| a(0)=0 a(n)=10*a(n/8) if n==0 (mod 8) a(n)=a(n-1)+1 otherwise. - Benoit Cloitre, Dec 22, 2002
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MAPLE
| A007094 := proc(n) local l: if(n=0)then return 0: fi: l:=convert(n, base, 8): return op(convert(l, base, 10, 10^nops(l))): end: seq(A007094(n), n=0..66); # Nathaniel Johnston, May 06 2011
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MATHEMATICA
| Table[ FromDigits[ IntegerDigits[n, 8]], {n, 0, 70}]
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PROG
| (PARI) a(n)=if(n<1, 0, if(n%8, a(n-1)+1, 10*a(n/8)))
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CROSSREFS
| Cf. A000042, A007088, A007089, A007090, A007091, A007092, A007093, A007095, A057104.
Sequence in context: A039269 A039207 A039155 * A000433 A031492 A035060
Adjacent sequences: A007091 A007092 A007093 * A007095 A007096 A007097
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KEYWORD
| nonn,easy,base
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Robert G. Wilson v (rgwv(AT)rgwv.com)
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