Triangle read by rows: coefficients of polynomials p_{n,n-1}(x) arising in enumeration of two-line arrays.
A212207
Triangle read by rows: coefficients of polynomials p_{n,n-1}(x) arising in enumeration of two-line arrays.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =2a(6) =1a(7) =6a(8) =9a(9) =4a(10) =1a(11) =10a(12) =26a(13) =25a(14) =8a(15) =1a(16) =15a(17) =60a(18) =95a(19) =65a(20) =16a(21) =1a(22) =21a(23) =120a(24) =280a(25) =309a(26) =161a(27) =32a(28) =1a(29) =28
External references
- oeis: A212207