|
| |
|
|
A105737
|
|
For n>2, a(n) > 0 is such that a(n-1)^2+4*a(n-2)*a(n) is a minimal square, a(1)=1,a(2)=4.
|
|
1
| |
|
|
1, 4, 5, 6, 8, 8, 6, 2, 4, 6, 4, 2, 2, 4, 6, 4, 2, 2, 4, 6, 4, 2
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,2
|
|
|
COMMENTS
| The sequence depends on seed terms a(1) and a(2); if a(1)=1, a(3)=a(2)+1. All(?) sequences end with cycle={1,2,3,2,1} (or {2,4,6,4,2}, which essentially the same cycle) of length=5. This particular sequence does not merge with A105734 - A105736 and ends with another cycle {2,4,6,4,2}.
|
|
|
CROSSREFS
| Cf. A105734 - A105746.
Sequence in context: A010754 A051036 A063673 * A033597 A088720 A134848
Adjacent sequences: A105734 A105735 A105736 * A105738 A105739 A105740
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Zak Seidov (zakseidov(AT)yahoo.com), Apr 19 2005
|
| |
|
|
