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A109664
a(1) = 1; for n>1, a(n) = Sum_{i=1..n-1} a(i)*prime(i).
+0
1
1, 2, 8, 48, 384, 4608, 64512, 1161216, 23224320, 557383680, 16721510400, 535088332800, 20333356646400, 854000979148800, 37576043082547200, 1803650067962265600, 97397103669962342400, 5843826220197740544000
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.
AT&T Labs Research
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