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.

A055207 Sum of n-th powers of digits of n.

Original entry on oeis.org

1, 1, 4, 27, 256, 3125, 46656, 823543, 16777216, 387420489, 1, 2, 4097, 1594324, 268435457, 30517578126, 2821109907457, 232630513987208, 18014398509481985, 1350851717672992090, 1048576, 2097153, 8388608, 94151567435, 281474993487872, 298023223910507557
Offset: 0

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Author

Henry Bottomley, Jun 19 2000

Keywords

Examples

			a(12) = 1^12 + 2^12 = 1 + 4096 = 4097.
		

Crossrefs

Programs

  • Maple
    a:= n-> add(i^n, i=convert(n, base, 10)):
    seq(a(n), n=0..29);  # Alois P. Heinz, Dec 18 2022
  • Mathematica
    Join[{1},Table[Total[IntegerDigits[n]^n],{n,25}]] (* Harvey P. Dale, Jul 16 2011 *)