56425

Appears in sequences

• Strong pseudoprimes to base 82.at n=29A020308
• Number of (n+1)X(1+1) 0..2 arrays x(i,j) with row sums sum{x(i,j), j=1..1+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..n+1} nondecreasing.at n=6A233372
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays x(i,j) with row sums sum{x(i,j), j=1..k+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..n+1} nondecreasing.at n=27A233374
• a(0) = 5, a(1) = 2; for n>1, a(n) = 2*a(n-1) + a(n-2).at n=12A276849