Integer values of k!!/S(k), where S(k) is the sum of all odd numbers less than or equal to k, if k is odd, or the sum of all even numbers less than or equal to k, if k is even.
A130318
Integer values of k!!/S(k), where S(k) is the sum of all odd numbers less than or equal to k, if k is odd, or the sum of all even numbers less than or equal to k, if k is even.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =128a(4) =11520a(5) =143360a(6) =425425a(7) =2064384a(8) =619315200a(9) =280284364800
External references
- oeis: A130318