A161543 The m-th composite number composite(m) is a term iff composite(m) + m is composite.

6, 10, 12, 14, 16, 18, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 42, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 58, 60, 62, 65, 68, 69, 70, 72, 74, 75, 76, 77, 78, 82, 84, 85, 86, 87, 88, 90, 92, 93, 95, 98, 99, 100, 102, 104, 105, 106, 108, 110, 111, 112, 116

Offset

1,1

Comments

6 is composite(2) and 6+2 = 8 is composite, so 6 is a term.

10 is composite(5) and 10+5 = 15 is composite, so 10 is a term.

Links

Table of n, a(n) for n=1..67.

Crossrefs

Cf. A002808.

Sequence in context: A330397 A371933 A135711 * A056868 A069209 A060702

Adjacent sequences: A161540 A161541 A161542 * A161544 A161545 A161546

Keyword

nonn

Author

Claudio Meller, Jun 13 2009

Status

approved