T(4n,n), where T is the array in A026148.
A026159
T(4n,n), where T is the array in A026148.
Terms
- a(0) =1a(1) =3a(2) =29a(3) =286a(4) =2955a(5) =31350a(6) =338513a(7) =3701268a(8) =40849164a(9) =454106770a(10) =5077352709a(11) =57037374596a(12) =643249683466
External references
- oeis: A026159