A343215 Differences between consecutive numbers with unique nonzero digit in decimal representation.

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 9, 2, 8, 3, 7, 4, 6, 5, 5, 6, 4, 7, 3, 8, 2, 9, 1, 1, 9, 1, 89, 2, 18, 2, 78, 3, 27, 3, 67, 4, 36, 4, 56, 5, 45, 5, 45, 6, 54, 6, 34, 7, 63, 7, 23, 8, 72, 8, 12, 9, 81, 9, 1, 1, 9, 1, 89, 1, 9, 1, 889, 2, 18, 2, 178, 2, 18, 2, 778

Offset

1,11

Links

Table of n, a(n) for n=1..79.

Formula

a(n) = A125289(n+1) - A125289(n).

Crossrefs

First differences of A125289.

Sequence in context: A111722 A217054 A298514 * A137301 A299957 A252001

Adjacent sequences: A343212 A343213 A343214 * A343216 A343217 A343218

Keyword

nonn,base

Author

Guillermo Miñones Collantes, Apr 08 2021

Status

approved