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A056606
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Squarefree kernel of A002944(n), the LCM of binomial coefficients {C(n,0),...,C(n,n)}.
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0
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1, 2, 3, 6, 10, 30, 105, 70, 42, 210, 2310, 2310, 4290, 6006, 15015, 30030, 170170, 510510, 1939938, 1385670, 881790, 9699690, 223092870, 44618574, 17160990, 74364290, 31870410, 223092870, 6469693230, 6469693230, 100280245065
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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EXAMPLE
| a(7)=105 because LCM[1,7,21,35]=105 is already squarefree.
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CROSSREFS
| A002944, A034386, A048633, A003418, A000142, A001405.
Sequence in context: A111275 A192440 A054357 * A186408 A062527 A038752
Adjacent sequences: A056603 A056604 A056605 * A056607 A056608 A056609
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KEYWORD
| nonn
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AUTHOR
| Labos E. (labos(AT)ana.sote.hu), Aug 07 2000
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