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A128686
Least number of the form semiprime - 1 which is the product of exactly n primes.
0
3, 9, 8, 24, 32, 64, 128, 864, 1792, 1536, 2048, 4096, 8192, 24576, 73728, 98304, 131072, 393216, 524288, 1048576, 3145728, 6291456, 8388608, 37748736, 50331648, 150994944, 301989888, 268435456, 1207959552, 1610612736, 2147483648, 4294967296, 19327352832, 25769803776, 115964116992, 171798691840, 343597383680, 927712935936, 2886218022912, 1099511627776, 20890720927744, 24189255811072
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OFFSET
1,1
LINKS
Table of n, a(n) for n=1..42.
CROSSREFS
Cf. A005383, A070552, A128665.
Sequence in context: A179589 A368737 A302630 * A161574 A103555 A360178
Adjacent sequences: A128683 A128684 A128685 * A128687 A128688 A128689
KEYWORD
nonn
AUTHOR
Ray Chandler, Mar 20 2007
EXTENSIONS
a(27)-a(42) from Donovan Johnson, Nov 24 2010
STATUS
approved

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Last modified September 30 21:24 EDT 2024. Contains 376365 sequences.
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