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.

A062018 a(n) = n^n written backwards.

Original entry on oeis.org

1, 4, 72, 652, 5213, 65664, 345328, 61277761, 984024783, 1, 116076113582, 6528440016198, 352295601578203, 61085552860021111, 573958083098398734, 61615590737044764481, 771467633688162042728, 42457573569257080464393
Offset: 1

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Author

Amarnath Murthy, Jun 01 2001

Keywords

Examples

			a(5) = 5213, as 5^5 = 3125.
		

Crossrefs

Programs

  • Maple
    with(numtheory):for n from 1 to 50 do a := convert(n^n,base,10):b := add(10^(nops(a)- i)*a[i],i=1..nops(a)):printf(`%d,`,b); od:
  • Mathematica
    Table[IntegerReverse[n^n],{n,20}] (* Harvey P. Dale, Jul 31 2022 *)
  • PARI
    a(n) = { fromdigits(Vecrev(digits( n^n )))} \\ Harry J. Smith, Jul 29 2009

Formula

a(n) = A004086(n^n).

Extensions

More terms from Jason Earls and Vladeta Jovovic, Jun 01 2001