Square array, read by antidiagonals: form the Euler-Seidel matrix for the sequence {2^k*k!} and then divide column k by 2^k*k!.
A143411
Square array, read by antidiagonals: form the Euler-Seidel matrix for the sequence {2^k*k!} and then divide column k by 2^k*k!.
Terms
- a(0) =1a(1) =3a(2) =1a(3) =13a(4) =5a(5) =1a(6) =79a(7) =33a(8) =7a(9) =1a(10) =633a(11) =277a(12) =61a(13) =9a(14) =1a(15) =6331a(16) =2849a(17) =643a(18) =97a(19) =11a(20) =1a(21) =75973a(22) =34821a(23) =7993a(24) =1225a(25) =141a(26) =13a(27) =1a(28) =1063623a(29) =493825
External references
- oeis: A143411