A274290 Arising in solving the keyboard problem.

1, 8, 15, 21, 27, 34, 40, 46

Offset

0,2

Comments

See Rowell (2015) for precise definition.

Links

Table of n, a(n) for n=0..7.

Jonathan T. Rowell, Solution Sequences for the Keyboard Problem and its Generalizations, Journal of Integer Sequences, Vol. 18 (2015), Article 15.10.7. See Table 2.

Crossrefs

Sequence in context: A355490 A082867 A075713 * A328410 A089025 A088977

Adjacent sequences: A274287 A274288 A274289 * A274291 A274292 A274293

Keyword

nonn,more

Author

N. J. A. Sloane, Jun 17 2016

Status

approved