Median Euler numbers (the middle numbers of Arnold's shuttle triangle).
A000657
Median Euler numbers (the middle numbers of Arnold's shuttle triangle).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =46a(4) =1024a(5) =36976a(6) =1965664a(7) =144361456a(8) =13997185024
External references
- oeis: A000657