A058894 Squarefree semiprimes A006881(m) such that |A006881(m)-A007304(m)| = 1.

1280073, 1280438, 1280441, 1281166, 1281191, 1281242

Offset

1,1

Comments

From Amiram Eldar, Jun 20 2025: (Start)

The corresponding values of m are 265608, 265682, 265683, 265832, 265837 and 265849, and the corresponding values of A007304(m) are 1280074, 1280437, 1280442, 1281165, 1281190 and 1281241.

a(7) > 10^8, if it exists. (End)

Links

Table of n, a(n) for n=1..6.

Crossrefs

Cf. A006881, A007304.

Sequence in context: A147670 A392077 A204397 * A328256 A118419 A250619

Adjacent sequences: A058891 A058892 A058893 * A058895 A058896 A058897

Keyword

nonn,more

Author

Naohiro Nomoto, Jan 08 2001

Extensions

Offset corrected by Amiram Eldar, Jun 20 2025

Status

approved