A098392 Prime(n)-Log2(Log2(prime(n))), where Log2=A000523.

2, 3, 4, 6, 10, 12, 15, 17, 21, 27, 29, 35, 39, 41, 45, 51, 57, 59, 65, 69, 71, 77, 81, 87, 95, 99, 101, 105, 107, 111, 125, 129, 135, 137, 147, 149, 155, 161, 165, 171, 177, 179, 189, 191, 195, 197, 209, 221, 225, 227, 231, 237, 239, 249, 254, 260, 266, 268, 274, 278

Offset

1,1

Comments

a(n) = A000040(n) - A098391(n).

Links

Table of n, a(n) for n=1..60.

Example

a(10) = A000040(10) - A098391(10) = 29 - 2 = 27.

Crossrefs

Cf. A098390, A014689, A098386, A098389.

Sequence in context: A122907 A070519 A177913 * A076850 A068482 A068499

Adjacent sequences: A098389 A098390 A098391 * A098393 A098394 A098395

Keyword

nonn

Author

Reinhard Zumkeller, Sep 06 2004

Status

approved