774004377960
domain: N
Appears in sequences
- Denominators of continued fraction convergents to sqrt(5).at n=20A001076
- a(0) = 0, a(1) = 4, then a(n) = 18*a(n-1) - a(n-2).at n=10A060645
- Nonprimes which are the average of two consecutive Fibonacci numbers.at n=18A071683
- Ratio-determined insertion sequence I(0.264) (see the link below).at n=19A085348
- Smallest integer divisible by Fibonacci(2n) such that the second partial quotient in the continued fraction expansion of a(n)/phi is 2 (phi is the golden ratio), n >= 2.at n=13A088166
- Negative of the Hankel transform of C(n) - C(n+2), where C = A000108.at n=28A138268
- p-INVERT of the positive integers, where p(S) = 1 - S^2.at n=29A290890
- Expansion of (1 - x + x^2)/((1 - x + x^2)^2 - 4*x^2).at n=29A376716
- Lower (1/2)-midsequence of (F(2n)) and (F(2n+1)), where F=A000045 (Fibonacci numbers); see Comments.at n=29A387778
- Upper (1/2)-midsequence of (F(2n)) and (F(2n+1)), where F=A000045 (Fibonacci numbers); see Comments.at n=29A387779