a(n) = T(4n,n), where T is the array defined in A024996.

A026075

a(n) = T(4n,n), where T is the array defined in A024996.

Terms

    a(0) =1a(1) =2a(2) =23a(3) =230a(4) =2395a(5) =25518a(6) =276298a(7) =3026790a(8) =33452225a(9) =372278104a(10) =4165976594a(11) =46831604742a(12) =528454140310

External references