A321538 a(n) = A321536(A321537(n)).

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 22, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 33, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 44, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 55, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 66, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 77, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 88, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 99, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11, 111, 11, 11, 11, 11, 11, 11, 11, 11, 0, 0, 22, 0

Offset

0,12

Comments

More than the usual number of terms are shown in order to reach some interesting terms.

Fixed points correspond to 0 alongside A033023. - Rémy Sigrist, Nov 16 2018

Links

Rémy Sigrist, Table of n, a(n) for n = 0..10000

Formula

Delete a digit A in n if it either forms a run of length 1 or begins a substring AwAA, where w consists of runs of length 1. - Charlie Neder, Dec 16 2018

Crossrefs

Cf. A033023, A321536, A321537.

A base-10 analog of A318925.

Sequence in context: A131679 A259391 A279540 * A321803 A321797 A113043

Adjacent sequences: A321535 A321536 A321537 * A321539 A321540 A321541

Keyword

nonn,base,look

Author

N. J. A. Sloane, Nov 13 2018

Status

approved