A161541 Composite which are the sum of a smaller n and its composite(n) subscript A002808 + a(n) (= composite)

8, 15, 18, 21, 25, 28, 33, 35, 38, 40, 42, 44, 46, 49, 52, 54, 56, 58, 60, 63, 65, 70, 75, 77, 80, 82, 84, 86, 88, 91, 93, 95, 99, 102, 105, 111, 116, 118, 120, 123, 126, 128, 130, 132, 134, 141, 144, 146, 148, 150, 152, 155, 159, 161, 165, 170, 172, 174, 177, 180, 182

Offset

1,1

Comments

8 is a composite number and is the sum of composite(2)+2= 6+2

15 is a composite number and is the sum of composite(5)+5 = 15

Links

Table of n, a(n) for n=1..61.

Crossrefs

A002808

Sequence in context: A031103 A179107 A160524 * A247081 A133157 A014544

Adjacent sequences: A161538 A161539 A161540 * A161542 A161543 A161544

Keyword

nonn

Author

Claudio Meller, Jun 13 2009

Status

approved