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A069491
a(n) = LCM ( 1 to n) / {(n+1)(n+2)...(n+k)} where k is the largest number which gives an integral value.
+0
1
1, 2, 6, 12, 10, 60, 420, 840, 252, 2520, 2310, 27720, 1716, 24024, 360360, 720720, 680680, 12252240, 25194, 503880, 10581480, 232792560, 223092870, 5354228880, 1029659400, 26771144400, 2868336900, 80313433200, 77636318760
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 6 22:55 EST 2009. Contains 170429 sequences.
AT&T Labs Research
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