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A075182 Greatest common divisors of rows of triangle A075181 and of (unsigned) triangle A048594. +0
2
1, 1, 2, 2, 2, 2, 24, 24, 24, 24, 48, 48, 48, 48, 384, 1152, 1152, 1152, 2304, 2304, 11520, 11520, 46080, 46080, 414720, 414720, 829440, 829440, 829440, 829440, 13271040, 13271040, 13271040, 39813120 (list; graph; listen)
OFFSET

1,3

FORMULA

a(n)= gcd(A075181(n, m), m=1..n) = gcd(|A048594(n, m)|, m=1..n), n>=1.

EXAMPLE

Row n=3 of triangle A075181 is [6,6,2], hence a(3)=2.

CROSSREFS

Sequence in context: A067096 A167394 A029627 this_sequence A154288 A084954 A049300

Adjacent sequences: A075179 A075180 A075181 this_sequence A075183 A075184 A075185

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Sep 19, 2002

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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