Triangle read by rows: T(n,k) (1 <= k <= n) defined by T(n,n) = (n-1)^(n-1), T(n,k) = T(n,k+1) - (n-1)*T(n-1,k) for k = n-1 .. 1.
A241580
Triangle read by rows: T(n,k) (1 <= k <= n) defined by T(n,n) = (n-1)^(n-1), T(n,k) = T(n,k+1) - (n-1)*T(n-1,k) for k = n-1 .. 1.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =2a(4) =2a(5) =4a(6) =3a(7) =9a(8) =15a(9) =27a(10) =40a(11) =52a(12) =88a(13) =148a(14) =256a(15) =205a(16) =405a(17) =665a(18) =1105a(19) =1845a(20) =3125a(21) =2556a(22) =3786a(23) =6216a(24) =10206a(25) =16836a(26) =27906a(27) =46656a(28) =24409a(29) =42301
External references
- oeis: A241580