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A037897
(Greatest base 3 digit of n)-(least base 3 digit of n).
4
0, 0, 1, 0, 1, 2, 1, 0, 1, 1, 2, 1, 0, 1, 2, 1, 1, 2, 2, 2, 2, 1, 1, 2, 1, 0, 1, 1, 2, 1, 1, 2, 2, 2, 2, 1, 1, 2, 1, 0, 1, 2, 1, 1, 2, 2, 2, 2, 1, 1, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 1, 1, 2, 2, 2, 2, 1, 1, 2, 1, 0, 1, 1, 2, 1, 1, 2, 2, 2, 2, 1, 1, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2
OFFSET
1,6
LINKS
FORMULA
a(n) = A190592(n) - A290825(n). - Antti Karttunen, Aug 12 2017
MAPLE
A037897 := proc(n)
local dgs ;
dgs := convert(n, base, 3);
max(op(dgs))-min(op(dgs)) ;
end proc: # R. J. Mathar, Oct 19 2015
PROG
(PARI) A037897(n) = (vecmax(digits(n, 3)) - vecmin(digits(n, 3))); \\ Antti Karttunen, Aug 11 2017
CROSSREFS
KEYWORD
nonn,base
EXTENSIONS
Offset corrected by R. J. Mathar, Oct 19 2015
More terms from Antti Karttunen, Aug 11 2017
STATUS
approved