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.

A386248 a(n) is the unique integer k such that A161792(n) = k^A000120(A161792(n)).

Original entry on oeis.org

1, 2, 4, 8, 3, 16, 32, 6, 64, 128, 12, 256, 512, 24, 3, 1024, 2048, 48, 4096, 8192, 96, 16384, 32768, 192, 6, 65536, 131072, 384, 262144, 524288, 768, 1048576, 2097152, 1536, 12, 4194304, 3, 8388608, 3072, 3, 16777216, 33554432, 6144, 67108864, 134217728
Offset: 1

Views

Author

Rémy Sigrist, Jul 16 2025

Keywords

Examples

			For n = 11: A161792(11) = 144 = 12^2 = 12^A000120(144), so a(11) = 12.
		

Crossrefs

Programs

  • PARI
    { for (n = 1, 2^27, if (ispower(n, hammingweight(n), &r), print1 (r", "););); }