Riordan array (1/(1 + 5*x + x^2), x/(1 + 5*x + x^2))^(-1); inverse of Riordan array A123967.

Terms

a(0) =1a(1) =5a(2) =1a(3) =26a(4) =10a(5) =1a(6) =140a(7) =77a(8) =15a(9) =1a(10) =777a(11) =540a(12) =153a(13) =20a(14) =1a(15) =4425a(16) =3630a(17) =1325a(18) =254a(19) =25a(20) =1a(21) =25755a(22) =23900a(23) =10509a(24) =2620a(25) =380a(26) =30a(27) =1a(28) =152675a(29) =155764