OFFSET
1,4
COMMENTS
Terms 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=(7-3) because "3" is the 7th digit of sqrt(2): 1,4,1,4,2,1,(3),5,6,2,3,... So a(8)=a(7)+a(4)=5+2=7.
CROSSREFS
KEYWORD
base,easy,nonn
AUTHOR
Eric Angelini, Nov 23 2007
STATUS
approved