A082390 Numbers on a computer numpad, read in a clockwise spiral.

0, 1, 4, 7, 8, 9, 6, 3, 2, 5

Offset

1,3

Comments

If read counterclockwise we would get 0, 3, 6, 9, 8, 7, 4, 1, 2, 5. - Robert G. Wilson v, Jun 23 2014

Links

Table of n, a(n) for n=1..10.

Example

From Wesley Ivan Hurt, Jun 23 2014: (Start)
A basic numpad:
   ___   ___   ___
  |7  | |8  | |9  |
  |___| |___| |___|
   ___   ___   ___
  |4  | |5  | |6  |
  |___| |___| |___|
   ___   ___   ___
  |1  | |2  | |3  |
  |___| |___| |___|
   ___   ___   ___
  |0  | |00 | |.  |
  |___| |___| |___|
(End)

Crossrefs

Sequence in context: A179620 A310936 A333202 * A011517 A000934 A180692

Adjacent sequences: A082387 A082388 A082389 * A082391 A082392 A082393

Keyword

dumb,easy,fini,full,nonn

Author

Arne Viste (arne.viste(AT)lyse.no), Apr 14 2003

Extensions

Offset corrected by Arkadiusz Wesolowski, Jun 05 2011

Status

approved