Array A(n, k) that generalizes Euler numbers, class numbers, and tangent numbers, read by ascending antidiagonals.
A349271
Array A(n, k) that generalizes Euler numbers, class numbers, and tangent numbers, read by ascending antidiagonals.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =1a(7) =2a(8) =3a(9) =2a(10) =2a(11) =4a(12) =8a(13) =11a(14) =5a(15) =2a(16) =4a(17) =16a(18) =46a(19) =57a(20) =16a(21) =1a(22) =6a(23) =30a(24) =128a(25) =352a(26) =361a(27) =61a(28) =2a(29) =8
External references
- oeis: A349271