OFFSET
1,2
COMMENTS
It appears than a(n) = A020646(n)/7 for n>0 (verified up to n=700).
LINKS
C. Deugau and F. Ruskey, Complete k-ary Trees and Generalized Meta-Fibonacci Sequences, J. Integer Seq., Vol. 12.
PROG
(PARI) a(n)= {local(A); if(n<=7, max(0, n), A=vector(n, i, i); for(k=8, n, A[k]= A[k-A[k-1]] + A[k-1-A[k-2]] + A[k-2-A[k-3]] + A[k-3-A[k-4]] + A[k-4-A[k-5]] + A[k-5-A[k-6]] + A[k-6-A[k-7]]; ); A[n]; ); }
CROSSREFS
KEYWORD
nonn
AUTHOR
Michel Marcus, Aug 20 2013
STATUS
approved