OFFSET
1,3
COMMENTS
For any initial values u(1), v(1), u(2), v(2), it seems that lim n ->infinity log(a(n))/n = C = 0.192...
LINKS
Paolo Xausa, Table of n, a(n) for n = 1..1000
MATHEMATICA
a[1] = a[2] = v[1] = v[2] = 1; a[n_] := a[n] = a[n-2] + v[n-1]; v[n_] := v[n] = Abs[a[n-2] - v[n-1]];
Array[a, 100] (* Paolo Xausa, Oct 08 2024 *)
CROSSREFS
KEYWORD
easy,nonn,changed
AUTHOR
Benoit Cloitre, Aug 04 2002
EXTENSIONS
Name corrected by Sean A. Irvine, Oct 07 2024
STATUS
approved