A095851 Triangle read by rows: T(n,k) = (n-k+1)^((n-k+1)^2), n>=1, 1<=k<=n.

1, 16, 1, 19683, 16, 1, 4294967296, 19683, 16, 1, 298023223876953125, 4294967296, 19683, 16, 1, 10314424798490535546171949056, 298023223876953125, 4294967296, 19683, 16, 1, 256923577521058878088611477224235621321607

Offset

1,2

Links

Table of n, a(n) for n=1..22.

Formula

T(n,k) = A002489(n-k+1). - R. J. Mathar, Apr 27 2007

Example

The triangle begins as:
           1;
          16,     1;
       19683,    16,  1;
  4294967296, 19683, 16, 1;
  ...

Mathematica

T[n_, k_]:= (n-k+1)^((n-k+1)^2); Table[T[n, k], {n, 6}, {k, n}]//Flatten (* Stefano Spezia, Feb 19 2025 *)

Crossrefs

Cf. A002489.

Sequence in context: A095876 A360062 A381296 * A095881 A040251 A040250

Adjacent sequences: A095848 A095849 A095850 * A095852 A095853 A095854

Keyword

easy,nonn,tabl

Author

Herman Jamke (hermanjamke(AT)fastmail.fm), Jul 10 2004

Status

approved