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A217371 Array read by rows in which row n lists the prime factors of the n-th Lucas-Carmichael number. 1
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 (list; graph; refs; listen; history; text; internal format)
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: A173449 A270519 A212848 * A088629 A075609 A083439

Adjacent sequences:  A217368 A217369 A217370 * A217372 A217373 A217374

KEYWORD

nonn,easy,tabf

AUTHOR

Gerasimov Sergey, Oct 01 2012

STATUS

approved

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Last modified February 20 04:47 EST 2020. Contains 332063 sequences. (Running on oeis4.)