OFFSET
1,1
FORMULA
Let b(n) be A076990 then a(n)=b(n)+b(n+1)+b(n+2)
EXAMPLE
a(1)=1+2+4=7; a(2)=2+4+5=11; a(3)=4+5+8=17; etc
CROSSREFS
KEYWORD
nonn
AUTHOR
David Garber, Nov 02 2002
STATUS
approved