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)).
A124975
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)).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =1a(6) =1a(7) =3a(8) =3a(9) =1a(10) =1a(11) =7a(12) =6a(13) =7a(14) =1a(15) =1a(16) =43a(17) =25a(18) =25a(19) =43a(20) =1a(21) =1a(22) =1807a(23) =493a(24) =350a(25) =493a(26) =1807a(27) =1a(28) =1a(29) =3263443
External references
- oeis: A124975