Triangle read by rows: T(n,k) is the number of bargraphs of semiperimeter n having length of first column k (n>=2, k>=1).
A273342
Triangle read by rows: T(n,k) is the number of bargraphs of semiperimeter n having length of first column k (n>=2, k>=1).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =2a(5) =1a(6) =5a(7) =4a(8) =3a(9) =1a(10) =13a(11) =10a(12) =7a(13) =4a(14) =1a(15) =35a(16) =27a(17) =18a(18) =11a(19) =5a(20) =1a(21) =97a(22) =75a(23) =50a(24) =30a(25) =16a(26) =6a(27) =1a(28) =275a(29) =213
External references
- oeis: A273342