304844

Appears in sequences

• Indices of the primes p for which the number of representations of p as the sum of a perfect prime power (A025475: q^e with e>1) and an integer k which is less than q exceeds one.at n=25A136335
• Half the number of n X n binary arrays with no element equal to a strict majority of its king-move neighbors.at n=5A183381
• Half the number of nX6 binary arrays with no element equal to a strict majority of its king-move neighbors.at n=5A183385
• T(n,k)=Half the number of nXk binary arrays with no element equal to a strict majority of its king-move neighbors.at n=60A183386
• Number of (n+2)X(2+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the diagonal and antidiagonal minus the sum of the medians of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=3A258505
• T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the diagonal and antidiagonal minus the sum of the medians of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=13A258511
• Number of (4+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the diagonal and antidiagonal minus the sum of the medians of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=1A258514