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

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

Offset

1,1

Comments

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

a(21) = 24405534719 = A093552(8).

Links

Table of n, a(n) for n=1..21.

Prog

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

Crossrefs

Cf. A093552, A113008.

Sequence in context: A289908 A182990 A022219 * A104965 A251807 A184671

Adjacent sequences: A285430 A285431 A285432 * A285434 A285435 A285436

Keyword

nonn

Author

Zak Seidov, Apr 18 2017

Status

approved