A037892 a(n)=(1/2)*Sum{|d(i)-e(i)|} where Sum{d(i)*6^i} is the base 6 representation of n and e(i) are the digits d(i) in reverse order.

0, 0, 0, 0, 0, 1, 0, 1, 2, 3, 4, 2, 1, 0, 1, 2, 3, 3, 2, 1, 0, 1, 2, 4, 3, 2, 1, 0, 1, 5, 4, 3, 2, 1, 0, 1, 0, 1, 2, 3, 4, 1, 0, 1, 2, 3, 4, 1, 0, 1, 2, 3, 4, 1, 0, 1, 2, 3, 4, 1, 0, 1, 2, 3, 4, 1, 0, 1, 2, 3, 4, 2, 1, 0, 1, 2, 3, 2, 1, 0, 1, 2, 3, 2, 1, 0, 1, 2, 3, 2

Offset

1,9

Links

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

Crossrefs

Sequence in context: A021431 A094936 A350111 * A037900 A037838 A165052

Adjacent sequences: A037889 A037890 A037891 * A037893 A037894 A037895

Keyword

nonn,base

Author

Clark Kimberling

Status

approved