A075182 Greatest common divisors of rows of triangle A075181 and of (unsigned) triangle A048594.

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

Offset

1,3

Links

Table of n, a(n) for n=1..34.

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: A249779 A167394 A029627 * A292023 A286851 A320017

Adjacent sequences: A075179 A075180 A075181 * A075183 A075184 A075185

Keyword

nonn,easy

Author

Wolfdieter Lang, Sep 19, 2002

Status

approved