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A081537 LCM of row n of triangle in A081536. 3
1, 0, 6, 28, 60, 24, 420, 1320, 2520, 27720, 27720, 27720, 360360, 360360, 360360, 360360, 12252240, 281801520, 232792560, 232792560, 232792560, 232792560, 5354228880, 5354228880, 26771144400, 53542288800, 80313433200, 80313433200, 2329089562800, 2329089562800 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..30.

FORMULA

A003418(n-2) divides a(n), and a(n) = A003418(n) if n is odd or n is even and n+1 is not a prime power. - Charlie Neder, Feb 03 2019

CROSSREFS

Cf. A081535, A081536, A081538.

Sequence in context: A254879 A298168 A317478 * A058007 A033588 A014635

Adjacent sequences:  A081534 A081535 A081536 * A081538 A081539 A081540

KEYWORD

nonn

AUTHOR

Amarnath Murthy, Mar 28 2003

EXTENSIONS

a(4) corrected and a(6)-a(18) from Charlie Neder, Feb 03 2019

More terms from Jinyuan Wang, May 03 2020

STATUS

approved

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Last modified October 16 19:39 EDT 2021. Contains 348044 sequences. (Running on oeis4.)