84289

Appears in sequences

• Numbers k such that k concatenated with k-5 gives the product of two numbers which differ by 5.at n=2A116124
• Numbers k such that k concatenated with k+1 gives the product of two numbers which differ by 1.at n=4A116163
• Number of (n+1)X(2+1) 0..1 arrays x(i,j) with row sums sum{j*x(i,j), j=1..2+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..n+1} nondecreasing.at n=10A233361