146245domain: NAppears in sequencesDenominators of continued fraction convergents to sqrt(606).at n=14A042163Alternate adding and multiplying Fibonacci numbers: a(0) = F(0) + F(1), for n >= 0, a(2n+1) = a(2n) * F(2n+2), a(2n+2) = a(2n+1) + F(2n+3).at n=9A332660