OFFSET
1,3
LINKS
F. M. van Lamoen, Spiral recurrence.
EXAMPLE
The initial part of the square spiral sequence is
.
344-114
|
4---3---2 105
| | |
9 1---1 94
| |
11--24--28--31
CROSSREFS
KEYWORD
nonn
AUTHOR
Floor van Lamoen, Jul 09 2001
STATUS
approved