64900

Appears in sequences

• The limiting sequence [A259095(r(r+1)/2-s,r), s=0,1,2,...,r-1] for very large r.at n=49A005576
• a(n) = [ (3rd elementary symmetric function of S(n))/(first elementary symmetric function of S(n)) ], where S(n) = {first n+2 odd positive integers}.at n=23A024202
• Number of n-step mirror-symmetrical self-avoiding walks on the square lattice.at n=20A323188