T(4n,n), where T is the array in A026268.
A026294
T(4n,n), where T is the array in A026268.
Terms
- a(0) =1a(1) =3a(2) =27a(3) =266a(4) =2743a(5) =29068a(6) =313633a(7) =3427358a(8) =37810605a(9) =420193609a(10) =4696967294a(11) =52753182426a(12) =594829939672
External references
- oeis: A026294