OFFSET
1,2
COMMENTS
The next term (a(11)) has 135 digits. [From Harvey P. Dale, Feb 29 2012]
EXAMPLE
a(3) = a(1) + a(2) = 3, a(4) = a(1)a(2) + a(2)a(3) + a(3)a(1) = 11, a(5) = 1*2*3 + 1*2*11 + 1*3*11 + 2*3*11 = 127.
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Amarnath Murthy, May 05 2001
EXTENSIONS
More terms from Asher Auel, May 05 2001. The 11th term has 135 digits.
STATUS
approved