223657

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=30A124975
• 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=33A124975
• Numbers which divide their digital sumorial (see A131383).at n=11A135100