1,1
a(2)=55 so 55 is the smallest Fibonacci number containing exactly two 5's.
Sequence in context: A129440 A045729 A067515 * A174514 A041995 A062125
Adjacent sequences: A072315 A072316 A072317 * A072319 A072320 A072321
base,nonn
Shyam Sunder Gupta (guptass(AT)rediffmail.com), Jul 14 2002