The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A028903

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A028903

Map n = Sum c_i 10^i to a(n) = Sum c_i 8^i.
(history; published version)

#7 by R. J. Mathar at Thu May 25 13:12:30 EDT 2023

STATUS

editing

approved

#6 by R. J. Mathar at Thu May 25 13:12:03 EDT 2023

MAPLE

A028903 := proc(n)

convert(n, base, 10) ;

add(op(i, %) *8^(i-1), i=1..nops(%) ) ;

end proc:

seq(A028903(n), n=0..100) ; # R. J. Mathar, May 25 2023

STATUS

approved

editing

#5 by Russ Cox at Sat Mar 31 13:22:15 EDT 2012

EXTENSIONS

More terms from _Erich Friedman (erich.friedman(AT)stetson.edu)_.

Discussion

Sat Mar 31

13:22

OEIS Server: https://oeis.org/edit/global/887

#4 by Russ Cox at Fri Mar 30 16:47:10 EDT 2012

AUTHOR

_N. J. A. Sloane (njas(AT)research.att.com)_.

Discussion

Fri Mar 30

16:47

OEIS Server: https://oeis.org/edit/global/110

#3 by N. J. A. Sloane at Fri Feb 27 03:00:00 EST 2009

KEYWORD

nonn,base,new

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

#2 by N. J. A. Sloane at Fri May 16 03:00:00 EDT 2003

KEYWORD

nonn,base,new

EXTENSIONS

More terms from Erich Friedman (erich.friedman@(AT)stetson.edu).

#1 by N. J. A. Sloane at Sat Dec 11 03:00:00 EST 1999

NAME

Map n = Sum c_i 10^i to a(n) = Sum c_i 8^i.

DATA

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 56, 57, 58, 59

OFFSET

0,3

KEYWORD

nonn,base

AUTHOR

njas

EXTENSIONS

More terms from Erich Friedman ([email protected]).

STATUS

approved