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A037901
a(n)=(greatest base 7 digit of n)-(least base 7 digit of n).
0
0, 0, 0, 0, 0, 0, 1, 0, 1, 2, 3, 4, 5, 2, 1, 0, 1, 2, 3, 4, 3, 2, 1, 0, 1, 2, 3, 4, 3, 2, 1, 0, 1, 2, 5, 4, 3, 2, 1, 0, 1, 6, 5, 4, 3, 2, 1, 0, 1, 1, 2, 3, 4, 5, 6, 1, 0, 1, 2, 3, 4, 5, 2, 1, 1, 2, 3, 4, 5, 3, 2, 2, 2, 3, 4, 5, 4, 3, 3, 3, 3, 4, 5, 5, 4, 4, 4, 4, 4, 5
OFFSET
1,10
CROSSREFS
Sequence in context: A324395 A350112 A037893 * A037839 A165072 A141404
KEYWORD
nonn,base
STATUS
approved