155991

Appears in sequences

• Numbers k such that the sum of the divisors of 2*k^2 is a square.at n=16A097023
• a(n) = sum of squares of first n odd primes.at n=30A133547
• Number of (n+1)X(1+1) 0..2 arrays x(i,j) with row sums sum{j^2*x(i,j), j=1..1+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..n+1} nondecreasing.at n=11A232780