A182764 Number of ordered factorizations of A182763(n) as A025487(j)*A025487(k).

1, 2, 3, 4, 5, 6, 8, 10, 12, 14, 15, 16, 18, 21, 24, 27, 28, 30, 32, 36, 42, 48, 54, 56, 60, 64, 66, 72, 80, 88, 90, 96, 100, 104, 110, 112, 120, 130, 132, 135, 140, 144, 150, 160, 165, 176, 180, 192, 200, 208, 220, 224, 240, 260, 264, 270, 280, 288, 300

Offset

1,2

Links

Amiram Eldar, Table of n, a(n) for n = 1..344

Formula

a(n) = A182762(m) where m is such that A182763(n) = A025487(m).

Example

24 has 6 factorizations into two members of A025487 (24 = 1*24 = 2*12 = 4*6 = 6*4 = 12*2 = 24*1). Since 24 = A182763(6), a(6) = 6.

Crossrefs

Cf. A025487, A182762, A182763.

Sequence in context: A120722 A090811 A162002 * A045880 A273011 A032956

Adjacent sequences: A182761 A182762 A182763 * A182765 A182766 A182767

Keyword

nonn

Author

Matthew Vandermast, Dec 01 2010

Extensions

More terms from Max Alekseyev, Jan 22 2012

Status

approved