66057

Appears in sequences

• Triangle of numbers related to the generalized Catalan sequence C(2;n+1)=A064062(n+1), n>=0.at n=34A113647
• Second diagonal of triangle A113647 (called Y(2,1)).at n=7A115137
• Subtriangle of generalized Catalan triangle CM(1,2) = A116880.at n=27A116872
• Generalized Catalan triangle, called CM(1,2).at n=34A116880
• Number of permutations of length n which avoid the patterns 321 and 1324.at n=24A179257