cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A155955 Triangle read by rows: T(n,k) = (k*n)^k, 0 <= k <= n.

Original entry on oeis.org

1, 1, 1, 1, 2, 16, 1, 3, 36, 729, 1, 4, 64, 1728, 65536, 1, 5, 100, 3375, 160000, 9765625, 1, 6, 144, 5832, 331776, 24300000, 2176782336, 1, 7, 196, 9261, 614656, 52521875, 5489031744, 678223072849, 1, 8, 256, 13824, 1048576, 102400000, 12230590464
Offset: 0

Views

Author

Reinhard Zumkeller, Jan 31 2009

Keywords

Comments

T(n,0) = 1;
T(n,1) = n for n > 0;
T(n,2) = A016742(n) for n > 1;
T(n,3) = A016767(n) for n > 2;
T(n,4) = A016804(n) for n > 3;
T(n,5) = A016853(n) for n > 4;
T(n,6) = A016914(n) for n > 5;
T(n,7) = A016987(n) for n > 6;
T(n,8) = A017072(n) for n > 7;
T(n,9) = A017169(n) for n > 8;
T(n,10) = A017278(n) for n > 9;
T(n,11) = A017399(n) for n > 10;
T(n,12) = A017532(n) for n > 11;
T(n,n) = A062206(n).

Examples

			Triangle begins:
  1;
  1, 1;
  1, 2,  16;
  1, 3,  36,  729;
  1, 4,  64, 1728,  65536;
  1, 5, 100, 3375, 160000,  9765625;
  1, 6, 144, 5832, 331776, 24300000, 2176782336;
  ...
		

Crossrefs

Cf. A000312.

Programs

  • Magma
    [[(n*k)^k: k in [0..n]]: n in [0..10]]; // G. C. Greubel, Sep 15 2018
  • Mathematica
    Table[If[n == 0, 1, If[ k == 0, 1, (k*n)^k]], {n, 0, 10}, {k, 0, n}]//Flatten (* G. C. Greubel, Sep 15 2018 *)
  • PARI
    for(n=0,10, for(k=0,n, print1((k*n)^k, ", "))) \\ G. C. Greubel, Sep 15 2018