OFFSET
1,3
COMMENTS
Terms of this "Pibonacci sequence" computed by Gilles Sadowski.
LINKS
Gilles Sadowski, Table of n, a(n) for n = 1..101
EXAMPLE
For n=7 we have a(8)=a(7)+a(k) with k=(7-2) [because "2" is the 7th digit of Pi: 3,1,4,1,5,9,(2),6...] So a(8)=a(7)+a(5)=4+4=8.
CROSSREFS
KEYWORD
base,easy,nonn
AUTHOR
Eric Angelini, Nov 23 2007
STATUS
approved