The On-Line Encyclopedia of Integer Sequences (OEIS)

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A037459

Sum{d(i)*5^i: i=0,1,...,m}, where Sum{d(i)*4^i: i=0,1,...,m} is the base 4 representation of n.
(history; published version)

#9 by Russ Cox at Fri Mar 30 18:56:28 EDT 2012

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

Clark Kimberling

Discussion

Fri Mar 30

18:56

OEIS Server: https://oeis.org/edit/global/285

#8 by Russ Cox at Fri Mar 30 17:38:34 EDT 2012

FORMULA

A020654 \ {0}. [From _R. J. Mathar (mathar(AT)strw.leidenuniv.nl), _, Oct 20 2008]

Discussion

Fri Mar 30

17:38

OEIS Server: https://oeis.org/edit/global/190

#7 by Nathaniel Johnston at Mon Jun 27 21:37:12 EDT 2011

STATUS

proposed

approved

#6 by Nathaniel Johnston at Mon Jun 27 21:37:09 EDT 2011

FORMULA

A023737 A020654 \ {0}. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 20 2008]

STATUS

approved

proposed

#5 by N. J. A. Sloane at Fri Jan 09 03:00:00 EST 2009

FORMULA

A023737 \ {0}. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 20 2008]

KEYWORD

nonn,base,new

#4 by N. J. A. Sloane at Sun Feb 20 03:00:00 EST 2005

NAME

SUMSum{d(i)*5^i: i=0,1,...,m}, where SUMSum{d(i)*4^i: i=0,1,...,m} is the base 4 representation of n.

KEYWORD

nonn,base,new

#3 by N. J. A. Sloane at Sat Sep 13 03:00:00 EDT 2003

KEYWORD

nonn,base,new

AUTHOR

Clark Kimberling, (ck6(AT)evansville.edu)

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

KEYWORD

nonn,base,new

AUTHOR

Clark Kimberling, ck6@cedar.(AT)evansville.edu

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

NAME

SUM{d(i)*5^i: i=0,1,...,m}, where SUM{d(i)*4^i: i=0,1,...,m} is the base 4 representation of n.

DATA

1, 2, 3, 5, 6, 7, 8, 10, 11, 12, 13, 15, 16, 17, 18, 25, 26, 27, 28, 30, 31, 32, 33, 35, 36, 37, 38, 40, 41, 42, 43, 50, 51, 52, 53, 55, 56, 57, 58, 60, 61, 62, 63, 65, 66, 67, 68, 75, 76, 77, 78, 80, 81, 82, 83, 85, 86, 87, 88, 90, 91, 92, 93

OFFSET

1,2

KEYWORD

nonn,base

AUTHOR

Clark Kimberling, ck6@cedar.evansville.edu

STATUS

approved