A symmetrical triangle: T(n,k) = A008292(n+1, k) * f(n,k), where f(n,k) = 2^k when floor(n/2) >= k, otherwise 2^(n-k).
A174303
A symmetrical triangle: T(n,k) = A008292(n+1, k) * f(n,k), where f(n,k) = 2^k when floor(n/2) >= k, otherwise 2^(n-k).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =8a(5) =1a(6) =1a(7) =22a(8) =22a(9) =1a(10) =1a(11) =52a(12) =264a(13) =52a(14) =1a(15) =1a(16) =114a(17) =1208a(18) =1208a(19) =114a(20) =1a(21) =1a(22) =240a(23) =4764a(24) =19328a(25) =4764a(26) =240a(27) =1a(28) =1a(29) =494
External references
- oeis: A174303