A037899 a(n)=(greatest base 5 digit of n)-(least base 5 digit of n).

0, 0, 0, 0, 1, 0, 1, 2, 3, 2, 1, 0, 1, 2, 3, 2, 1, 0, 1, 4, 3, 2, 1, 0, 1, 1, 2, 3, 4, 1, 0, 1, 2, 3, 2, 1, 1, 2, 3, 3, 2, 2, 2, 3, 4, 3, 3, 3, 3, 2, 2, 2, 3, 4, 2, 1, 1, 2, 3, 2, 1, 0, 1, 2, 3, 2, 1, 1, 2, 4, 3, 2, 2, 2, 3, 3, 3, 3, 4, 3, 2, 2, 2, 3, 3, 2, 1, 1, 2, 3

Offset

1,8

Links

Table of n, a(n) for n=1..90.

Maple

A037899 := proc(n)
    local dgs ;
    dgs := convert(n, base, 5);
    max(op(dgs))-min(op(dgs)) ;
end proc: # R. J. Mathar, Oct 19 2015

Crossrefs

Sequence in context: A020990 A260686 A037891 * A037837 A194526 A165033

Adjacent sequences: A037896 A037897 A037898 * A037900 A037901 A037902

Keyword

nonn,base

Author

Clark Kimberling

Status

approved