144730

Appears in sequences

• Number of terms in 5th derivative of a function composed with itself n times.at n=39A022815
• a(n) = 2809*n^2 - 4618*n + 1898.at n=7A157757
• Beach-Williams Pell numbers of type 2pqr (p,q,r primes).at n=19A212076
• Place n equally spaced points on each side of an equilateral triangle, and join each of these points by a chord to the 2*n new points on the other two sides: sequence gives number of interior vertices in the resulting planar graph.at n=17A366484