Triangle T(n,m) read by rows: the sum of runs of all sequences arranging n objects of one type and m objects of another type.
A349147
Triangle T(n,m) read by rows: the sum of runs of all sequences arranging n objects of one type and m objects of another type.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =1a(4) =7a(5) =18a(6) =1a(7) =10a(8) =34a(9) =80a(10) =1a(11) =13a(12) =55a(13) =155a(14) =350a(15) =1a(16) =16a(17) =81a(18) =266a(19) =686a(20) =1512a(21) =1a(22) =19a(23) =112a(24) =420a(25) =1218a(26) =2982a(27) =6468a(28) =1a(29) =22
External references
- oeis: A349147