196938

Appears in sequences

• Generalized ballot numbers (first differences of Motzkin numbers).at n=14A002026
• Area under Motzkin excursions.at n=11A057585
• Structured pentagonal icositetrahedral numbers (vertex structure 10).at n=26A100168
• Expansion of (1-x)*c(x/(1+x)), where c(x) is the g.f. of the Catalan numbers (A000108).at n=16A105695
• Expansion of (-2 +x^2 +x -x*sqrt(1-2*x-3*x^2))/(-1 +x -sqrt(1-2*x-3*x^2)).at n=15A244884
• Irregular triangle read by rows: T(n,m) = number of lattice paths of type {A^Q}_R terminating at point (n, m).at n=50A291082