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A239585
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Prime factor <= other prime factor of n-th brilliant number, cf. A078972.
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3
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2, 2, 3, 2, 2, 3, 3, 5, 5, 7, 11, 11, 13, 11, 11, 13, 13, 11, 17, 13, 11, 17, 11, 19, 13, 17, 13, 11, 19, 11, 11, 13, 17, 11, 17, 23, 13, 19, 13, 11, 19, 13, 17, 11, 23, 11, 13, 17, 19, 23, 17, 11, 13, 19, 11, 13, 17, 11, 19, 29, 23, 11, 13, 19, 29, 17, 11
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listen;
history;
text;
internal format)
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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. --------+------------+------------+----------- ------------------
. 1 | 2 | 2 | 4 1
. 5 | 2 | 7 | 14
. 10 | 7 | 7 | 49
. |.........................| ..................
. 11 | 11 | 11 | 121 2
. 78 | 11 | 97 | 1067
. 100 | 37 | 37 | 1369
. 241 | 97 | 97 | 9409
. |.........................| ..................
. 242 | 101 | 101 | 10201 3
. 1000 | 193 | 263 | 50759
. 2530 | 101 | 997 | 100697
. 10000 | 743 | 937 | 696191
. 10537 | 997 | 997 | 994009
. |.........................| ..................
. 10538 | 1009 | 1009 | 1018081 4 .
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PROG
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(Haskell)
a239585 = a020639 . a078972
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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