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.

A066609 a(n) = 5^n mod n^5.

Original entry on oeis.org

0, 25, 125, 625, 0, 73, 10897, 30177, 4508, 65625, 29672, 36433, 263034, 288873, 575000, 159681, 592030, 1485433, 1639363, 1240625, 250928, 928073, 4040001, 93601, 0, 10915033, 14288075, 16048657, 3176520, 4515625
Offset: 1

Views

Author

Amarnath Murthy, Dec 24 2001

Keywords

Examples

			a(6) = 73 as 5^6 = 15625 = (6^5)*2 + 73.
		

Crossrefs

Cf. A066606.

Programs

  • Mathematica
    Table[PowerMod[5,n,n^5],{n,30}] (* Harvey P. Dale, Jul 05 2023 *)
  • PARI
    a(n) = { lift(Mod(5, n^5)^n) } \\ Harry J. Smith, Mar 11 2010

Extensions

More terms from Robert G. Wilson v, Dec 26 2001