Triangle T(n, k) = c(n)/(c(k)*c(n-k)) where c(n) = Product_{j=0..n} A051179(j), read by rows.
A173475
Triangle T(n, k) = c(n)/(c(k)*c(n-k)) where c(n) = Product_{j=0..n} A051179(j), read by rows.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =5a(5) =1a(6) =1a(7) =85a(8) =85a(9) =1a(10) =1a(11) =21845a(12) =371365a(13) =21845a(14) =1a(15) =1a(16) =1431655765a(19) =1431655765a(20) =1a(21) =1a(27) =1
External references
- oeis: A173475