A217371 Array read by rows in which row n lists the prime factors of the n-th Lucas-Carmichael number.

3, 7, 19, 5, 11, 17, 5, 13, 31, 5, 11, 53, 7, 23, 31, 7, 19, 43, 5, 17, 83, 5, 7, 11, 23, 7, 23, 79, 5, 7, 11, 47, 5, 41, 101, 11, 23, 83, 11, 31, 67, 5, 11, 13, 41, 5, 7, 17, 53, 11, 59, 71, 7, 11, 23, 29, 19, 29, 109, 11, 23, 251, 11, 41, 149, 5, 7, 11, 191, 23, 47, 71

Offset

1,1

Links

Jason Kimberley, Rows i = 1..1000 of irregular triangle, flattened

John Smith, Lucas-Carmichael number, PlanetMath.org

Wikipedia, Lucas-Carmichael number

Index entries for sequences related to Carmichael numbers.

Formula

The n-th row is the A006972(n)-th row of A027746. - Jason Kimberley, Nov 04 2012

Example

Array begins:
3, 7, 19,
5, 11, 17,
5, 13, 31,
5, 11, 53,
7, 23, 31,
7, 19, 43,
5, 17, 83,
5, 7, 11, 23.

Crossrefs

Cf. A006972, A027746.

Sequence in context: A270519 A361087 A212848 * A088629 A075609 A083439

Adjacent sequences: A217368 A217369 A217370 * A217372 A217373 A217374

Keyword

nonn,easy,tabf

Author

Gerasimov Sergey, Oct 01 2012

Status

approved