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A112429
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Carmichael numbers equal to the product of 6 primes.
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7
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321197185, 413631505, 417241045, 496050841, 509033161, 611397865, 612347905, 638959321, 672389641, 832060801, 834720601, 868234081, 945959365, 986088961, 1074363265, 1177800481, 1210178305, 1256855041, 1410833281, 1481619601
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OFFSET
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1,1
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LINKS
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R. J. Mathar, Table of n, a(n) for n = 1..14401
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EXAMPLE
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a(1)=321197185=5*19*23*29*37*137
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PROG
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(PARI) is(n)={omega(n)==6&&is_A002997(n)} \\ M. F. Hasler, Apr 14 2015
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CROSSREFS
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Cf. A002997, A087788, A141711, A074379, A112428, A112430, A112431, A112432, A006931.
Sequence in context: A105005 A157789 A184573 * A104923 A153753 A035794
Adjacent sequences: A112426 A112427 A112428 * A112430 A112431 A112432
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KEYWORD
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easy,nonn
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AUTHOR
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Shyam Sunder Gupta, Dec 11 2005
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STATUS
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approved
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