OFFSET
1,1
REFERENCES
Clark Kimberling, "Complementary Equations," Journal of Integer Sequences 10 (2007) Article 07.1.4, 1-14.
EXAMPLE
b(1) = a(a(1))+a(1)+1 = 1+1+1 = 3;
b(2) = a(a(2))+a(2)+1 = 2+2+1 = 5;
b(3) = a(a(3))+a(3)+1 = 6+4+1 = 11.
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Jan 01 2008
STATUS
approved