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Sum of digits of n in fractional base 7/6.
0

%I #13 Mar 17 2020 11:54:03

%S 0,1,2,3,4,5,6,6,7,8,9,10,11,12,11,12,13,14,15,16,17,15,16,17,18,19,

%T 20,21,18,19,20,21,22,23,24,20,21,22,23,24,25,26,21,22,23,24,25,26,27,

%U 21,22,23,24,25,26,27,27,28,29,30,31,32,33,26,27,28,29,30

%N Sum of digits of n in fractional base 7/6.

%C The base 7/6 expansion is unique and thus the sum of digits function is well-defined.

%e In base 7/6 the number 7 is represented by 60 and so a(7)=6+0=6.

%o (Sage) # uses [basepqsum from A245355]

%o [basepqsum(7,6,y) for y in [0..200]]

%Y Cf. A024643, A007953, A053828.

%K nonn,base

%O 0,3

%A _James Van Alstine_, Jul 18 2014