283746

Appears in sequences

• Number of ways writing 2^n as unordered sums of 2 primes.at n=27A006307
• Number of (w,x,y,z) with all terms in {1,...,n} and w + x > 2y + 2z.at n=38A212564
• Number of n X 4 0..1 arrays with no element equal to more than two of its horizontal, vertical and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.at n=11A280600