134232

Appears in sequences

• Series expansion for rectilinear polymers on square lattice.at n=15A007291
• Numbers that are the least element of a k-cycle (k > 1) of permutation A113821.at n=36A115641
• E.g.f.: A(x) = exp( Sum_{n>=1} n*(n+3)/2 * a(n-1)*x^n/n! ) = Sum_{n>=0} a(n)*x^n/n! with a(0)=1.at n=5A156327
• Fourth entry in row n of triangle in A169945.at n=25A169948
• Number of maximal independent vertex sets in the n X n zebra graph.at n=7A367089
• a(n) = A000217(n)*A000045(n).at n=16A390525