A025484 a(0) = 0; a(n) = a(n/5)/5 if n = a(n/5) = 0 (mod 5); a(n) = a(n-1)+1 otherwise.

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 3, 4, 5, 6, 7, 8, 9, 10

Offset

0,3

Links

Table of n, a(n) for n=0..82.

Crossrefs

Sequence in context: A080686 A036218 A172275 * A325383 A236851 A030545

Adjacent sequences: A025481 A025482 A025483 * A025485 A025486 A025487

Keyword

nonn

Author

David W. Wilson

Extensions

Bounded, conjectured maximum is a(3169) = 49.

Status

approved