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A056607 A002110(n)/A048633(n): n-th primorial divided by squarefree kernel of corresponding central binomial coefficient. 0
2, 3, 10, 35, 231, 3003, 14586, 138567, 5311735, 154040315, 434113615, 16062203755, 354604036745, 15247973580035, 286661903304658, 7596540437573437, 79093391614735197, 4824696888498847017 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

n=6, A002110(6)=30030, C[6,3]=20 with 10 squarefree kernel. So a(6)=30030/10=3003=3.7.11.13, also squarefree.

CROSSREFS

A002110, A001405, A048633.

Sequence in context: A057146 A059735 A134959 * A060604 A141102 A144720

Adjacent sequences:  A056604 A056605 A056606 * A056608 A056609 A056610

KEYWORD

nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Aug 07 2000

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Last modified February 16 10:43 EST 2012. Contains 205904 sequences.