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.

A351851 Numbers that are divisible by the number of their divisors over the Gaussian integers.

Original entry on oeis.org

1, 6, 9, 18, 20, 56, 126, 168, 180, 198, 280, 342, 352, 414, 432, 441, 486, 504, 558, 616, 625, 728, 774, 832, 846, 952, 1056, 1062, 1064, 1089, 1176, 1206, 1278, 1288, 1422, 1494, 1512, 1624, 1736, 1760, 1848, 1854, 1920, 1926, 2025, 2072, 2160, 2286, 2296, 2358
Offset: 1

Views

Author

Amiram Eldar, Feb 22 2022

Keywords

Comments

Numbers k such that A062327(k) | k.
All the odd terms are squares.

Examples

			6 is a term since it is divisible by A062327(6) = 6.
		

Crossrefs

Programs

  • Mathematica
    Select[Range[2400], Divisible[#, DivisorSigma[0, #, GaussianIntegers -> True]] &]