73116

Appears in sequences

• Number of symmetry classes of 3 X 3 magilatin squares with positive values < n.at n=26A173729
• Maximal apex value of an addition triangle whose base is a permutation of {k-n/2, k=0..n}.at n=14A206603
• a(n) = binomial(2*n,n) - ceiling(4^n/(2*sqrt(n))).at n=10A282710
• Expansion of e.g.f. x*exp(-x) / BesselI(1,2*x).at n=11A308846
• The Riordan square of the double factorial of odd numbers. Triangle T(n, k), 0 <= k <= n, read by rows.at n=39A321627