Self-composition of the pentagonal numbers; g.f.: A(x) = G(G(x)), where G(x) = g.f. of A000326.
A279284
Self-composition of the pentagonal numbers; g.f.: A(x) = G(G(x)), where G(x) = g.f. of A000326.
Terms
- a(0) =0a(1) =1a(2) =10a(3) =74a(4) =469a(5) =2662a(6) =14115a(7) =71360a(8) =348143a(9) =1652200a(10) =7669883a(11) =34969286a(12) =157060011a(13) =696514465a(14) =3055404733a(15) =13277356490a(16) =57222978070a(17) =244831062184
External references
- oeis: A279284