[go: up one dir, main page]

login
A245343
Sum of digits of n written in fractional base 5/3.
0
0, 1, 2, 3, 4, 3, 4, 5, 6, 7, 4, 5, 6, 7, 8, 7, 8, 9, 10, 11, 6, 7, 8, 9, 10, 7, 8, 9, 10, 11, 10, 11, 12, 13, 14, 7, 8, 9, 10, 11, 10, 11, 12, 13, 14, 9, 10, 11, 12, 13, 10, 11, 12, 13, 14, 13, 14, 15, 16, 17, 8, 9, 10, 11, 12, 11, 12, 13, 14, 15
OFFSET
0,3
COMMENTS
The base 5/3 expansion is unique and thus the sum of digits function is well-defined.
EXAMPLE
In base 5/3 the number 7 is represented by 32 and so a(7)=3+2=5.
PROG
(Sage) # uses [basepqsum from A245355]
[basepqsum(5, 3, y) for y in [0..200]]
CROSSREFS
KEYWORD
nonn,base
AUTHOR
James Van Alstine, Jul 18 2014
EXTENSIONS
Name corrected by Bernard Schott, Mar 18 2020
STATUS
approved