OFFSET
1,1
COMMENTS
When k is in this sequence, the k-Somos sequence first becomes nonintegral at 2*k + 1; otherwise, the k-Somos sequence first becomes nonintegral at 2*k (conjecture).
LINKS
Eric Weisstein's World of Mathematics, Somos Sequence.
EXAMPLE
The k-Somos sequence obeys the recurrence:
S(n) = ( Sum_{j=1..floor(k/2)} S(n-j)*S(n-k+j) )/S(n-k),
with S(0) = S(1) = ... = S(k-1) = 1.
CROSSREFS
KEYWORD
nonn,changed
AUTHOR
Paul D. Hanna, Dec 08 2004
EXTENSIONS
More terms from David Wasserman, Apr 03 2008
STATUS
approved