40536

Appears in sequences

• a(n) = floor(n*(n-1)*(n-2)*(n-3)/31).at n=35A011941
• Numbers k such that 5*2^k - 3 is prime.at n=48A058588
• Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 11000-01111-11000 pattern in any orientation.at n=12A147459
• Number of (n+6)X11 0..1 matrices with each 7X7 subblock idempotent.at n=8A224585
• a(n) = 2*n*(16*n - 13).at n=36A263228
• Number of strict (distinct parts) plane partitions of n with relatively prime parts.at n=39A323587
• a(n) = (2*n)! * [x^(2*n)] arctan(x / sqrt(2))^2.at n=5A356901