a(1) = 1; a(n) = floor {(n+1)(n+2)(n+3)...(n+k)}/{(n-1)(n-2)(n-3)...(n-k)} for the least value of k.
A092935
a(1) = 1; a(n) = floor {(n+1)(n+2)(n+3)...(n+k)}/{(n-1)(n-2)(n-3)...(n-k)} for the least value of k.
Terms
- a(0) =1a(1) =3a(2) =2a(3) =5a(4) =14a(5) =42a(6) =6a(7) =429a(8) =1430a(9) =4862a(10) =16796a(11) =58786a(12) =2261a(13) =742900a(14) =2674440a(15) =66861a(16) =35357670a(17) =129644790a(18) =2274470a(19) =1767263190a(20) =25246617a(21) =24466267020a(22) =91482563640a(23) =343059613650
External references
- oeis: A092935