1664079
domain: N
Appears in sequences
- a(n) = a(n-1) + a(n-2) + 1, with a(0) = a(1) = 1.at n=29A001595
- a(n) = 2*Fibonacci(n+2) + ((-1)^n - 3)/2.at n=28A066629
- Row sums of triangle A131779.at n=28A131780
- Diagonal sums of number triangle A132046.at n=29A154327
- a(0)=-1, a(1)=3; a(n+2) = a(n+1) + a(n) + 2*A057078(n+1).at n=30A227104
- a(n) = a(n-1) + a(n-2) + (1 - (-1)^(a(n-1) + a(n-2))) with a(0) = 0, a(1) = 1.at n=29A253197
- a(n) = a(n-1) + a(n-3) + a(n-4), where a(0) = 2, a(1) = 1, a(2) = 2, a(3) = 1.at n=31A295686