Matrix product of triangle of Stirling numbers of second kind A008277 and square of unsigned Lah triangle A105278.
A308440
Matrix product of triangle of Stirling numbers of second kind A008277 and square of unsigned Lah triangle A105278.
Terms
- a(0) =1a(1) =5a(2) =1a(3) =37a(4) =15a(5) =1a(6) =365a(7) =223a(8) =30a(9) =1a(10) =4501a(11) =3675a(12) =745a(13) =50a(14) =1a(15) =66605a(16) =68071a(17) =18450a(18) =1865a(19) =75a(20) =1a(21) =1149877a(22) =1411515a(23) =479101a(24) =64750a(25) =3920a(26) =105a(27) =1a(28) =22687565a(29) =32512663
External references
- oeis: A308440