54975581389
domain: N
Appears in sequences
- a(n) = (1 - (-4)^n)/5.at n=18A014985
- a(n) = 3*a(n-1) + 4*a(n-2), a(0) = 0, a(1) = 1.at n=19A015521
- Cyclotomic polynomials at x=-4.at n=19A020503
- Record values in A091023.at n=18A091052
- a(n) = a(n-1) + 2^(k(n)), where k(n) is the n-th term of the sequence formed by k(1)=0 together with the numbers A042964.at n=18A113876
- a(n) = ceiling(4^n/n).at n=19A129788
- a(n) = 3*a(n-1) + 4*a(n-2) - a(n-3) + 3*a(n-4) + 4*a(n-5).at n=18A135343
- a(n) = 3*a(n-1) + 4*a(n-2) - a(n-3) + 3*a(n-4) + 4*a(n-5).at n=18A135345
- Expansion of -x^2*(x^3+x-1) / ((x-1)*(x+1)*(2*x-1)*(x^2+1)).at n=38A256494
- Numbers of the form (2^(2p) + 1)/5, where p is a prime > 5.at n=4A293626
- a(n) = (4^(2*n+1) + 1) / 5.at n=9A299960