Triangle formed from coefficients of the polynomials p(1)=x, p(n+1) = (n + x*(n+1))*p(n) + x*x*(d/dx)p(n).

A075856

Triangle formed from coefficients of the polynomials p(1)=x, p(n+1) = (n + x*(n+1))*p(n) + x*x*(d/dx)p(n).

Terms

    a(0) =1a(1) =1a(2) =3a(3) =2a(4) =10a(5) =15a(6) =6a(7) =40a(8) =105a(9) =105a(10) =24a(11) =196a(12) =700a(13) =1260a(14) =945a(15) =120a(16) =1148a(17) =5068a(18) =12600a(19) =17325a(20) =10395a(21) =720a(22) =7848a(23) =40740a(24) =126280a(25) =242550a(26) =270270a(27) =135135a(28) =5040a(29) =61416

External references