82449

Appears in sequences

• Table (read by antidiagonals): t(1,n) = t(m,1) = 1 for all m and n. t(m,n) = (product{k=1 to m-1} t(k,n)) + (product{k=1 to n-1} t(m,k)).at n=31A124975
• Table (read by antidiagonals): t(1,n) = t(m,1) = 1 for all m and n. t(m,n) = (product{k=1 to m-1} t(k,n)) + (product{k=1 to n-1} t(m,k)).at n=32A124975
• G.f. A(x) satisfies A(x) = 1 + x*(A(x)^2 - A(x)^3 + A(x)^4).at n=8A219537
• Number of compositions of n such that no part equals any of its two immediate predecessors.at n=25A261962