A085536 a(n) = (3n)^(3n).

1, 27, 46656, 387420489, 8916100448256, 437893890380859375, 39346408075296537575424, 5842587018385982521381124421, 1333735776850284124449081472843776, 443426488243037769948249630619149892803, 205891132094649000000000000000000000000000000, 129110040087761027839616029934664535539337183380513

Offset

0,2

Comments

All terms are both perfect cubes and numbers of the form n^n. - William Boyles, Jul 31 2015

So this is the intersection of A000578 and A000312. - Michel Marcus, Aug 01 2015

Links

Table of n, a(n) for n=0..11.

Formula

a(n) = A000312(3*n). - Michel Marcus, Jul 31 2015

Mathematica

Join[{1}, Table[(3 n)^(3 n), {n, 15}]] (* Vincenzo Librandi, Aug 01 2015 *)

Prog

(Magma) [(3*n)^(3*n): n in [0..12]]; // Vincenzo Librandi, Aug 01 2015

Crossrefs

Cf. A000312, A000578.

Sequence in context: A278140 A171110 A034206 * A008974 A308537 A281956

Adjacent sequences: A085533 A085534 A085535 * A085537 A085538 A085539

Keyword

nonn

Author

N. J. A. Sloane, Jul 05 2003

Status

approved