a(n) = Hermite(n,1/5)*5^n/2^round(n/2)*(-1)^floor(n/2).

A237987

a(n) = Hermite(n,1/5)*5^n/2^round(n/2)*(-1)^floor(n/2).

Terms

    a(0) =1a(1) =1a(2) =23a(3) =73a(4) =1579a(5) =8879a(6) =179617a(7) =1511467a(8) =28410041a(9) =330703441a(10) =5730852343a(11) =88406712593

External references