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A037883 a(n)=(1/2)*Sum{|d(i)-e(i)|} where Sum{d(i)*6^i} is the base 6 representation of n and e(i) are the digits d(i) in nondecreasing order. 2
0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 0, 0, 0, 1, 2, 3, 0, 0, 0, 0, 1, 2, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 0, 0, 1, 2, 3, 4, 1, 1, 1, 2, 3, 4, 2, 2, 2, 2, 3, 4, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 0, 1, 2, 3, 4, 5, 0, 0, 1, 2, 3, 4, 0, 0, 0, 1, 2, 3, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,9
LINKS
MAPLE
A037883 := proc(n)
local a, dgs, dgsE ;
a := 0 ;
dgs := convert(n, base, 6);
dgsE := sort(dgs) ;
for i from 1 to nops(dgs) do
a := a+ abs(op(i, dgs)-op(i, dgsE)) ;
end do:
a/2 ;
end proc: # R. J. Mathar, Oct 19 2015
CROSSREFS
Sequence in context: A116889 A347716 A037847 * A350775 A330267 A023868
KEYWORD
nonn,base
AUTHOR
EXTENSIONS
Definition swapped with A037874. - R. J. Mathar, Oct 19 2015
STATUS
approved

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Last modified March 28 13:25 EDT 2024. Contains 371254 sequences. (Running on oeis4.)