Number of minimal edge covers in the n-sun graph.

Terms

a(0) =17a(1) =56a(2) =207a(3) =839a(4) =3579a(5) =16124a(6) =76037a(7) =373772a(8) =1907842a(9) =10080307a(10) =54988156a(11) =308997810a(12) =1785241070a(13) =10586718392a(14) =64343528516a(15) =400271482199