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A055230 Greatest common divisor of largest square dividing n! and squarefree part of n!. 8
1, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 3, 3, 6, 10, 10, 10, 5, 5, 1, 21, 42, 42, 7, 7, 14, 42, 6, 6, 5, 5, 10, 330, 165, 231, 231, 231, 462, 2002, 5005, 5005, 4290, 4290, 390, 78, 39, 39, 13, 13, 26, 1326, 102, 102, 17, 935, 13090, 746130, 373065, 373065, 24871, 24871 (list; graph; refs; listen; history; internal format)
OFFSET

1,4

FORMULA

a(n) = GCD[A008833(n!), A007913(n!)] = GCD[A008833(A000720(n)), A007913(A000720(n))]

CROSSREFS

A008833, A007913, A000188, A000720.

Sequence in context: A014695 A071017 A112049 * A112050 A194884 A078401

Adjacent sequences:  A055227 A055228 A055229 * A055231 A055232 A055233

KEYWORD

nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Jun 21 2000

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Last modified February 17 13:18 EST 2012. Contains 206031 sequences.