54022

Appears in sequences

• Numbers k such that k-th and (k+1)-st term of A038593 differ by 3.at n=37A038634
• Number of zeros in n-th even perfect number written in base 16.at n=30A161496
• a(n) is the sum of the terms of the symmetric square array defined by M(i,j) = prime(i)+i-j for i >= j and M(i,j) = M(j,i) if i < j.at n=26A308731
• G.f. satisfies A(x) = 1 / (1 - x^3*A(x)^3 / (1 - x)).at n=18A376490