A090228 Products of consecutive members of A090206 (nonprime Fibonacci numbers).

0, 1, 8, 168, 714, 1870, 7920, 54288, 229970, 602070, 2550408, 10803704, 28284465, 74049690, 193864606, 821223648, 3478759200, 9107509825, 23843770274, 62423800998, 264431464440, 1120149658760, 2932589879121, 7677619978602

Offset: 0

Author

Felix Tubiana, Jan 22 2004

Keywords

• easy
• nonn

Crossrefs

Cf. A090206, A000045

Formula

F(0) = 0; F(1) = 1; F(n) = F(n-1) + F(n-2); F(0:9) = 0, 1, 1, 2, 3, 5, 8, 13, 21, 34 nonprimes: 0, 1, 1, 8, 21 product of consecutive nonprimes: 1, 8, 168

a(n) = A090206(n)*A090206(n+1). - David Wasserman, Oct 13 2005

Extensions

More terms from David Wasserman, Oct 13 2005