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Search: id:A110188
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| A110188 |
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3-almost primes p * q * r not relatively prime to p+q+r. |
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+0
12
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| 8, 18, 27, 30, 42, 50, 66, 70, 78, 98, 102, 105, 110, 114, 125, 130, 138, 154, 170, 174, 182, 186, 190, 195, 222, 230, 231, 238, 242, 246, 255, 258, 266, 282, 285, 286, 290, 310, 318, 322, 338, 343, 354, 357, 366, 370, 374, 402, 406, 410, 418, 426, 429, 430
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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A110187 is the converse, 3-almost primes p * q * r which are relatively prime to p+q+r.
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EXAMPLE
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a(1) = 8 because 8 = 2^3, which has a prime factor 2 in common with prime 2 + 2 + 2 = 6.
30 is in the sequence, since 30 = 2 * 3 * 5, which is in fact divisible by 2 + 3 + 5 = 10.
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CROSSREFS
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Cf. A014612, A110187, A110227, A110228, A110229, A110230, A110231, A110232, A110289, A110290, A110296, A110297.
Sequence in context: A039278 A045043 A043881 this_sequence A069236 A051370 A011538
Adjacent sequences: A110185 A110186 A110187 this_sequence A110189 A110190 A110191
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KEYWORD
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easy,nonn
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AUTHOR
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Jonathan Vos Post (jvospost2(AT)yahoo.com), Jul 15 2005
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EXTENSIONS
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Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Jul 20 2005
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