G.f.: limit of the ratio of the g.f.s of adjacent rows in triangle A152800.

Terms

a(0) =1a(1) =1a(2) =2a(3) =2a(4) =2a(5) =3a(6) =4a(7) =3a(8) =3a(9) =6a(10) =6a(11) =2a(12) =5a(13) =13a(14) =5a(15) =-8a(16) =17a(17) =38a(18) =-28a(19) =-46a(20) =119a(21) =88a(22) =-290a(23) =-42a(24) =763a(25) =-208a(26) =-1738a(27) =1363a(28) =3727a(29) =-5084