a(n) = A121296(n) - A121295(n).

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =3a(6) =14a(7) =35a(8) =87a(9) =293a(10) =4833a(11) =22558a(12) =536782a(13) =11661394a(14) =46524255986