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A245347
Sum of digits of n written in fractional base 8/3.
0
0, 1, 2, 3, 4, 5, 6, 7, 3, 4, 5, 6, 7, 8, 9, 10, 6, 7, 8, 9, 10, 11, 12, 13, 4, 5, 6, 7, 8, 9, 10, 11, 7, 8, 9, 10, 11, 12, 13, 14, 10, 11, 12, 13, 14, 15, 16, 17, 8, 9, 10, 11, 12, 13, 14, 15, 11, 12, 13, 14, 15, 16, 17, 18, 4, 5, 6, 7, 8, 9, 10, 11, 7, 8, 9
OFFSET
0,3
COMMENTS
The base 8/3 expansion is unique and thus the sum of digits function is well-defined.
FORMULA
a(n) = A007953(A053829(n)).
EXAMPLE
In base 8/3 the number 14 is represented by 36 and so a(14) = 3 + 6 = 9.
PROG
(Sage) # uses [basepqsum from A245355]
[basepqsum(8, 3, w) for w in [0..200]]
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Hailey R. Olafson, Jul 18 2014
STATUS
approved