Triangle read by rows: T(n,k) is the coefficient A_k in the transformation Sum_{k=0..n} (k+1)*x^k = Sum_{k=0..n} A_k*(x-3k)^k.
A253383
Triangle read by rows: T(n,k) is the coefficient A_k in the transformation Sum_{k=0..n} (k+1)*x^k = Sum_{k=0..n} A_k*(x-3k)^k.
Terms
- a(0) =1a(1) =7a(2) =2a(3) =7a(4) =38a(5) =3a(6) =7a(7) =362a(8) =111a(9) =4a(10) =7a(11) =2522a(12) =2271a(13) =244a(14) =5a(15) =7a(16) =14672a(17) =34671a(18) =8344a(19) =455a(20) =6a(21) =7a(22) =75908a(23) =442911a(24) =212464a(25) =23135a(26) =762a(27) =7a(28) =7a(29) =361676
External references
- oeis: A253383