A037894 a(n)=(1/2)*Sum{|d(i)-e(i)|} where Sum{d(i)*8^i} is the base 8 representation of n and e(i) are the digits d(i) in reverse order.

0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 2, 3, 4, 5, 6, 2, 1, 0, 1, 2, 3, 4, 5, 3, 2, 1, 0, 1, 2, 3, 4, 4, 3, 2, 1, 0, 1, 2, 3, 5, 4, 3, 2, 1, 0, 1, 2, 6, 5, 4, 3, 2, 1, 0, 1, 7, 6, 5, 4, 3, 2, 1, 0, 1, 0, 1, 2, 3, 4, 5, 6, 1, 0, 1, 2, 3, 4, 5, 6, 1, 0, 1, 2, 3, 4, 5, 6, 1, 0, 1

Offset

1,11

Links

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

Crossrefs

Sequence in context: A255692 A030106 A255592 * A037902 A037840 A165091

Adjacent sequences: A037891 A037892 A037893 * A037895 A037896 A037897

Keyword

nonn,base

Author

Clark Kimberling

Status

approved