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

Author

Guillermo Miñones Collantes, Apr 08 2021

Keywords

• nonn
• base

Crossrefs

First differences of A125289.

Formula

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