A112232 Repeat each composite number in the sequence of natural numbers.

1, 2, 3, 4, 4, 5, 6, 6, 7, 8, 8, 9, 9, 10, 10, 11, 12, 12, 13, 14, 14, 15, 15, 16, 16, 17, 18, 18, 19, 20, 20, 21, 21, 22, 22, 23, 24, 24, 25, 25, 26, 26, 27, 27, 28, 28, 29, 30, 30, 31, 32, 32, 33, 33, 34, 34, 35, 35, 36, 36, 37, 38, 38, 39, 39, 40, 40, 41, 42, 42, 43, 44, 44, 45

Offset

1,2

Comments

a(n) = A112233(n) - A112231(n);

a(n + A002808(n) - 1) = A002808(n),

a(n + A002808(n)) = A002808(n),

a(n + A002808(n) + 1) = A002808(n) + 1.

Links

Table of n, a(n) for n=1..74.

Crossrefs

Sequence in context: A099802 A196266 A340792 * A168389 A039708 A189730

Adjacent sequences: A112229 A112230 A112231 * A112233 A112234 A112235

Keyword

nonn

Author

Reinhard Zumkeller, Aug 29 2005

Status

approved