33802

Appears in sequences

• Coefficients of the '2nd-order' mock theta function A(q).at n=42A006304
• Imaginary part of (1+2i)^n.at n=13A006496
• Numbers k such that the continued fraction for sqrt(k) has period 65.at n=33A020404
• Let (A,B)=(a(2*n),a(2*n+1)), then (A,B) is (even,odd), gcd(A,B)=1 and A^2 + B^2 = 5^n. Note: a(0)=0.at n=26A098122
• Real part of (2 + i)^n, where i = sqrt(-1).at n=13A139011
• Values of y such that x^2 + y^2 = 5^n with x and y coprime and 0 < x < y.at n=12A230711
• Composite numbers n such that Sum_{k = 0..n} (-1)^k * C(n,k) * C(2*n,k) == -1 (mod n^3) (see A234839).at n=37A268303
• Expansion of (1/(1 - x))*Product_{k>=1} (1 - x^(3*k))/(1 - x^k).at n=39A304630