148830
domain: N
Appears in sequences
- a(1) = 1, a(2) = 0; for n > 2, a(n) = n*Fibonacci(n-2) (with the convention Fibonacci(0)=0, Fibonacci(1)=1).at n=21A006490
- Fibonacci sequence beginning 0, 22.at n=20A022356
- Largest number that is not the sum of four (2n+1)-gonal numbers.at n=14A118368
- Denominators of rationals with e.g.f. D(4,x), a Debye function.at n=40A227574