A350099 a(n) is the upper end of a record gap A349995(n) between consecutive odd squarefree semiprimes (A046388).

21, 33, 111, 287, 2391, 6583, 8843, 13733, 15293, 21619, 36019, 66961, 113053, 340941, 783809, 872279, 3058917, 3586913, 5835265, 12345557, 108994713, 248707009, 268749791, 679956221, 709239737, 3648864977, 3790337843, 4171420613, 33955869829, 34279038517, 34840796509

Offset: 1

Author

Hugo Pfoertner, Dec 26 2021

Keywords

• nonn

Examples

			See A349995.
		

Links

• Lucas A. Brown, Table of n, a(n) for n = 1..41 (first 34 terms from Hugo Pfoertner)
• Lucas A. Brown, Python program.

Crossrefs

Cf. A046388, A085809, A114057, A341828, A349995, A350098.

Formula

a(n) = A350098(n) + A349995(n).