665148

Appears in sequences

• Triangle T(n,m) (read as T(1,1); T(2,1), T(2,2); T(3,1), T(3,2), T(3,3);) Number of distinct non-recursive Catalan Automorphisms whose minimum clause-representation requires examination of n nodes in total, divided into m non-default clauses.at n=15A089831
• a(n) = A000108(n)*(A000142(n+1)-1).at n=6A089833