516256

Appears in sequences

• Triangle of numbers related to the generalized Catalan sequence C(3;n+1) = A064063(n+1), n>=0.at n=33A115154
• Third diagonal (M=3) of triangle A115154 (called Y(3,1)).at n=5A115189
• Number of n X 2 0,1 arrays indicating 2 X 2 subblocks of some larger (n+1) X 3 binary array having two adjacent 1's and two adjacent 0's, with rows and columns of the latter in lexicographically nondecreasing order.at n=19A227329
• Number of parts in all partitions of 2n with largest multiplicity n.at n=43A320381