63153

Appears in sequences

• Number of 4-tuples (w,x,y,z) with all terms in {1,...,n} and w*x >= 2*y*z.at n=21A211809
• Number of nX3 0..1 arrays with no more than floor(nX3/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..1 order.at n=9A222630
• Number of (n+2) X (2+2) 0..3 arrays with every 3 X 3 subblock row and diagonal sum equal to 0, 2, 5, 6 or 7 and every 3 X 3 column and antidiagonal sum not equal to 0, 2, 5, 6 or 7.at n=8A252673
• a(n) is the number of partitions of n with Durfee square of size <= 5.at n=43A330643