Array T(n,k) = D(2*n, -2*k-1), where D(i,j) are the polysecant numbers, for n,k >= 0, read by antidiagonals.
A353952
Array T(n,k) = D(2*n, -2*k-1), where D(i,j) are the polysecant numbers, for n,k >= 0, read by antidiagonals.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =13a(5) =1a(6) =1a(7) =121a(8) =121a(9) =1a(10) =1a(11) =1093a(12) =4081a(13) =1093a(14) =1a(15) =1a(16) =9841a(17) =111721a(18) =111721a(19) =9841a(20) =1a(21) =1a(22) =88573a(23) =2880481a(24) =7256173a(25) =2880481a(26) =88573a(27) =1a(28) =1a(29) =797161
External references
- oeis: A353952