Matrix log of triangle A111820, which shifts columns left and up under matrix 5th power; these terms are the result of multiplying each element in row n and column k by (n-k)!.
A111823
Matrix log of triangle A111820, which shifts columns left and up under matrix 5th power; these terms are the result of multiplying each element in row n and column k by (n-k)!.
Terms
- a(0) =0a(1) =1a(2) =0a(3) =-3a(4) =5a(5) =0a(6) =16a(7) =-15a(8) =25a(9) =0a(10) =2814a(11) =80a(12) =-75a(13) =125a(14) =0a(15) =-1092180a(16) =14070a(17) =400a(18) =-375a(19) =625a(20) =0a(21) =-3603928080a(22) =-5460900a(23) =70350a(24) =2000a(25) =-1875a(26) =3125a(27) =0a(29) =-18019640400a(30) =-27304500
External references
- oeis: A111823