Triangle read by rows, derived from a(n) = N*a(n-1) + a(n-2).

Terms

a(0) =2a(1) =5a(2) =3a(3) =10a(4) =24a(5) =10a(6) =17a(7) =99a(8) =145a(9) =24a(10) =26a(11) =288a(12) =1090a(13) =840a(14) =65a(15) =37a(16) =675a(17) =5185a(18) =11880a(19) =4901a(20) =168a(21) =50a(22) =1368a(23) =18226a(24) =93024a(25) =129601a(26) =28560a(27) =441a(28) =65a(29) =2499