A241095 -id:A241095 - cp's OEIS frontend

A241098 (4^n - 1)^n.

1, 3, 225, 250047, 4228250625, 1120413075641343, 4715453174592516890625, 316777275155162685106909462527, 340240830764391036687105719527812890625, 5845805845679338940092384222659294205213252255743, 1606922719369349023077959288770050490334792256259918212890625

Offset: 0

Hannah Ko, Apr 15 2014

nonn

			a(3) = 63^3 = 250047.

Cf. A055601, A060613, A241095, A240091.

a(n) = (4^n - 1)^n; \\ Michel Marcus, Apr 16 2014

(4^n - 1)^n

A234811 (6^n - 1)^n.

Original entry on oeis.org

1, 5, 1225, 9938375, 2812412850625, 28412011938974609375, 10313098426045900054366890625, 134710177671603826682045331123397109375, 63339984974231689005132970549727976493235812890625, 1072138503990252055371856714088806945958716851785209488787109375

Offset: 0

Hannah Ko, Apr 19 2014

			a(3) = 215^3 = 9938375.

Cf. A055601, A060613, A240091, A241095, A241098.

A234811:= n-> (6^n - 1)^n; seq(A234811(n), n=0..10); # Wesley Ivan Hurt, Apr 19 2014

Table[(6^n - 1)^n, {n, 10}] (* Wesley Ivan Hurt, Apr 19 2014 *)

cp's OEIS Frontend

A241098 (4^n - 1)^n.

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