28967

Appears in sequences

• Sum of next n primes.at n=20A007468
• Number of subsets A of {1..n} such that there are no solutions to a+b+c=d for a,b,c,d in A.at n=20A093970
• Number of 2Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or zero plus the sum of the elements above it or zero plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4.at n=16A240047