36614

Appears in sequences

• Indices of primes in sequence defined by A(0) = 81, A(n) = 10*A(n-1) + 11 for n > 0.at n=7A101061
• Number of right triangles on an (n+1) X 5 grid.at n=37A189809
• Number of (7+1)X(n+1) 0..1 arrays with every 2X2 subblock ne-sw antidiagonal difference unequal to its neighbors horizontally and nw+se diagonal sum unequal to its neighbors vertically.at n=12A253704
• Number of regions formed by drawing the lines connecting any two of the 2*(n+2) perimeter points of a 3 X (n+1) rectangular grid of points (or equally, a 2 X n grid of squares).at n=18A331766