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.

A285433 Integers m such that m-k is the product of k+1 primes for k=0..6.

Original entry on oeis.org

305778479, 306748679, 1067113823, 2837965199, 4533292679, 8345667119, 12120181079, 12148200719, 13765945199, 13949792159, 14404208279, 16237621679, 18147459479, 18780179879, 19542401339, 19662679679, 20045705819, 20383699199, 22383737879, 24039703967, 24405534719
Offset: 1

Views

Author

Zak Seidov, Apr 18 2017

Keywords

Comments

a(1) = 305778479 = A093552(7). All terms are congruent to 5 mod 6.
a(21) = 24405534719 = A093552(8).

Crossrefs

Programs

  • PARI
    isok(m) = for (k=0, 6, if (bigomega(m-k) != k+1, return(0));); return(1); \\ Michel Marcus, Nov 20 2022