A132638 Numbers of the form m^m where m is oblong (promic).

4, 46656, 8916100448256, 104857600000000000000000000, 205891132094649000000000000000000000000000000, 150130937545296572356771972164254457814047970568738777235893533016064

Offset

1,1

Links

Table of n, a(n) for n=1..6.

Formula

a(n) = (n^2+n)^(n^2+n).

Example

a(2)=46656 because we can write 46656=6^6 or 46656=6*6*6*6*6*6.

Prog

(PARI) a(n)=(n^2+n)^(n^2+n) \\ Charles R Greathouse IV, Mar 16 2022
(PARI) a(n)=(n*=n+1)^n \\ Charles R Greathouse IV, Mar 16 2022

Crossrefs

Subsequence of A000312.

Oblong numbers: A002378

Cf. A008973, A008974, A051674.

Sequence in context: A259160 A173138 A275587 * A046882 A165812 A218405

Adjacent sequences: A132635 A132636 A132637 * A132639 A132640 A132641

Keyword

easy,nonn

Author

Omar E. Pol, Aug 24 2007

Extensions

New name and a(5)-a(6) from Charles R Greathouse IV, Mar 16 2022

Status

approved