45402

Appears in sequences

• Number of 3 X 3 X 3 arrays M_ijk (1 <= i,j,k <= 3) with entries satisfying 0 <= M_ijk <= n and all line sums equal to n.at n=6A002721
• Sum_{i=0..n} (C(n,i) mod 2)*Fibonacci(2i+1) = FL(n+1)Product(L(2^i)^bit(n,i),i=0..).at n=11A050611
• Numbers in the cycle-attractors of length=14 of the function f(x)=A063919(x).at n=30A097030
• G.f. satisfies: A(x) = A(x^2)^2 + x*A(x^2)^4.at n=34A174513
• Triangle read by rows: coefficients of third-order hypergeometric-harmonic polynomials.at n=39A222063
• Numbers that are members of unitary sigma aliquot cycles (union of unitary perfect, unitary amicable and unitary sociable numbers).at n=50A327157