Triangle read by rows giving the coefficients of general sum formulas of n-th Subfactorial numbers (A000166). The k-th row (k>=1) contains T(i,k) for i=1 to 2*k-1, where T(i,k) satisfies Subf(n) = Sum_{k=1..n} Sum_{i=1..2*k-1} T(i,k) * C(n-k,i-1) * n^(n-k).
A101560
Triangle read by rows giving the coefficients of general sum formulas of n-th Subfactorial numbers (A000166). The k-th row (k>=1) contains T(i,k) for i=1 to 2*k-1, where T(i,k) satisfies Subf(n) = Sum_{k=1..n} Sum_{i=1..2*k-1} T(i,k) * C(n-k,i-1) * n^(n-k).
Terms
- a(0) =1a(1) =-2a(2) =-2a(3) =-1a(4) =4a(5) =11a(6) =16a(7) =11a(8) =3a(9) =-10a(10) =-55a(11) =-147a(12) =-215a(13) =-179a(14) =-80a(15) =-15a(16) =34a(17) =305a(18) =1247a(19) =2910a(20) =4224a(21) =3904a(22) =2245a(23) =735a(24) =105a(25) =-154a(26) =-1949a(27) =-10971a(28) =-35970a(29) =-76269
External references
- oeis: A101560