a(n) is the A-sequence for the Riordan matrix R = (1/(1- x^2 - x^3), x/(1 - x^2 - x^3)) from A104578.
A319202
a(n) is the A-sequence for the Riordan matrix R = (1/(1- x^2 - x^3), x/(1 - x^2 - x^3)) from A104578.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =1a(4) =-1a(5) =-3a(6) =0a(7) =10a(8) =10a(9) =-28a(10) =-70a(11) =42a(12) =348a(13) =198a(14) =-1353a(15) =-2431a(16) =3575a(17) =15587a(18) =702a(19) =-74698a(20) =-89726a(21) =264214a(22) =753236a(23) =-441864a(24) =-4308174a(25) =-2823020a(26) =18594787a(27) =36373695a(28) =-52468405a(29) =-249712725
External references
- oeis: A319202