Triangular matrix T defined by T = exp(L) where L(n,k) = C(2*n, 2*k+1)/2, as read by rows n >= 0, k=0..n.
A246381
Triangular matrix T defined by T = exp(L) where L(n,k) = C(2*n, 2*k+1)/2, as read by rows n >= 0, k=0..n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =3a(4) =2a(5) =1a(6) =12a(7) =13a(8) =3a(9) =1a(10) =73a(11) =80a(12) =34a(13) =4a(14) =1a(15) =584a(16) =701a(17) =296a(18) =70a(19) =5a(20) =1a(21) =5889a(22) =7680a(23) =3463a(24) =816a(25) =125a(26) =6a(27) =1a(28) =73184a(29) =100519
External references
- oeis: A246381