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Search: id:A089219
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| A089219 |
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Numbers of the form (p0^x)(p1^(x+1))(p2^(x+2))...(pk^(x+k)), where x and k are positive integers and p0,p1,...,pk are primes with p0<p1<...<pk. |
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+0
1
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| 18, 50, 75, 98, 108, 147, 242, 245, 338, 363, 500, 507, 578, 605, 648, 722, 845, 847, 867, 1058, 1083, 1125, 1183, 1372, 1445, 1587, 1682, 1805, 1859, 1922, 2023, 2250, 2523, 2527, 2645, 2738, 2883, 3087, 3179, 3362, 3698, 3703, 3757, 3888, 3971, 4107
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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18 = (2^1)(3^2); here x=1, k=1, p0=2, p1=3
2250 = (2^1)(3^2)(5^3); here x=1, k=2, p0=2, p1=3, p2=5
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CROSSREFS
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Sequence in context: A071365 A097319 A093617 this_sequence A102835 A095990 A102836
Adjacent sequences: A089216 A089217 A089218 this_sequence A089220 A089221 A089222
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KEYWORD
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easy,nonn
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AUTHOR
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Sam Alexander (amnalexander(AT)yahoo.com), Dec 10 2003
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EXTENSIONS
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More terms from Ray Chandler (rayjchandler(AT)sbcglobal.net), Dec 20 2003
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