387729212

Appears in sequences

• Number of perfect matchings on an n X n L-shaped graph.at n=21A079472
• Row sums of an unsigned characteristic triangle for the Fibonacci numbers.at n=21A110035
• Denominators a(n) of Pythagorean approximations b(n)/a(n) to 1/2.at n=20A195547
• Numbers n such that n^3 = x*y*z where 2 <= x <= y <= z , n^3+1 = (x-1)*(y+1)*(z+1).at n=10A240836
• a(n) = A000045(n)*A000045(n+1) mod A000032(n).at n=43A357553