254592

Appears in sequences

• Let M = the 3 X 3 matrix [1 1 1; 3 1 0; 2 0 0]. Perform M^n * [1 0 0] getting (1, 3, 2; 6, 6, 2; 14, 24, 12; 50, 66, 28; ...) which we string together to form the sequence.at n=35A107271
• Numbers c such that there is a Pythagorean triple (a,b,c) such that (A001414(a), A001414(b), A001414(c)) is also a Pythagorean triple.at n=8A337540
• G.f. A(x) satisfies A(x) = 1/(1 - x*A(x)/(1 - x^3)).at n=12A376574