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A037882
a(n)=(1/2)*Sum{|d(i)-e(i)|} where Sum{d(i)*5^i} is the base 5 representation of n and e(i) are the digits d(i) in nondecreasing order.
2
0, 0, 0, 0, 0, 0, 1, 2, 3, 0, 0, 0, 1, 2, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 0, 0, 1, 2, 3, 1, 1, 1, 2, 3, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 0, 1, 2, 3, 4, 0, 0, 1, 2, 3, 0, 0, 0, 1, 2, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 0, 1, 2, 3, 4, 0, 0, 1, 2, 3, 0, 0, 0, 1, 2, 0
OFFSET
1,8
MAPLE
A037882 := proc(n)
local a, dgs, dgsE ;
a := 0 ;
dgs := convert(n, base, 5);
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: A056966 A362363 A037846 * A024865 A025109 A348710
KEYWORD
nonn,base
EXTENSIONS
Definition swapped with A037873. - R. J. Mathar, Oct 19 2015
STATUS
approved