OFFSET
0,4
LINKS
Peter J. C. Moses, Table of n, a(n) for n = 0..9999
B. Avila and T. Khovanova, Free Fibonacci Sequences, arXiv preprint arXiv:1403.4614, 2014 and J. Int. Seq. 17 (2014) # 14.8.5
MATHEMATICA
a[0]:=0; a[1]:=1; a[n_]:=a[n]=#/4^IntegerExponent[#, 4]&[(a[n-1]+a[n-2])]; Map[a, Range[0, 99]] (* Peter J. C. Moses, Apr 05 2013 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Vladimir Shevelev, Apr 05 2013
STATUS
approved