A243199 Let A242719(n)-1 = prime(l)*prime(m), l<=m; a(n)=m-l.

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 4, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 2, 2, 1, 4, 0, 0, 4, 4, 0, 4, 0, 0, 0, 0, 2, 0, 0, 0, 5, 0, 0, 4, 4, 4, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 1, 4, 5, 4, 4, 4, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0

Offset

2,18

Links

Table of n, a(n) for n=2..88.

Crossrefs

Cf. A242719, A243154, A243158.

Sequence in context: A347034 A261162 A218862 * A305212 A104774 A087263

Adjacent sequences: A243196 A243197 A243198 * A243200 A243201 A243202

Keyword

nonn

Author

Vladimir Shevelev, Jun 01 2014

Extensions

More terms from Peter J. C. Moses, Jun 01 2014

Status

approved