login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A007092 Numbers in base 6.
(Formerly M0532)
23
0, 1, 2, 3, 4, 5, 10, 11, 12, 13, 14, 15, 20, 21, 22, 23, 24, 25, 30, 31, 32, 33, 34, 35, 40, 41, 42, 43, 44, 45, 50, 51, 52, 53, 54, 55, 100, 101, 102, 103, 104, 105, 110, 111, 112, 113, 114, 115, 120, 121, 122, 123, 124, 125, 130, 131, 132, 133, 134, 135 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Nonnegative integers with no decimal digits > 5. - Karol Bacik, Sep 25 2012

REFERENCES

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

Nathaniel Johnston, Table of n, a(n) for n = 0..10000

FORMULA

a(0)=0, a(n) = 10*a(n/6) if n==0 (mod 6), and a(n) = a(n-1)+1 otherwise. - Benoit Cloitre, Dec 22, 2002

a(n) = Sum{d(i)*10^i: i=0,1,...,m}, where Sum{d(i)*6^i: i=1,2,...,m} = n, and d(i) in {0,1,...,5}. - Karol Bacik, Sep 25 2012

MAPLE

A007092 := proc(n) local l: if(n=0)then return 0: fi: l:=convert(n, base, 6): return op(convert(l, base, 10, 10^nops(l))): end: seq(A007092(n), n=0..59); # Nathaniel Johnston, May 06 2011

MATHEMATICA

Table[ FromDigits[ IntegerDigits[n, 6]], {n, 0, 65}]

PROG

(PARI) a(n)=if(n%6, a(n-1)+1, if(n, 10*a(n/6), 0))  \\ corrected by Charles R Greathouse IV, Sep 25 2012

(PARI) a(n)=n=digits(n, 6); n[1]=Str(n[1]); eval(concat(n)) \\ Charles R Greathouse IV, Sep 25 2012

CROSSREFS

Cf. A000042, A007088, A007089, A007090, A007091, A007093, A007094, A007095, A057436.

Sequence in context: A161657 A072701 A037473 * A047596 A199502 A089964

Adjacent sequences:  A007089 A007090 A007091 * A007093 A007094 A007095

KEYWORD

nonn,easy,base

AUTHOR

N. J. A. Sloane, Robert G. Wilson v

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified May 25 01:36 EDT 2013. Contains 225631 sequences.