40618

Appears in sequences

• G.f.: A(x) = exp( Sum_{n>=1} sigma(n^2)*x^n/n ), a power series in x with integer coefficients.at n=16A156303
• Numbers k such that |2^k - 57| is prime.at n=45A165778
• Number of (1+1)X(n+1) 0..2 arrays x(i,j) with row sums sum{x(i,j), j=1..n+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..1+1} nondecreasing.at n=9A233375