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Search: id:A086909
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| A086909 |
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Middle side of the first primitive d-arithmetic triangle, where d=A072330(n). |
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+0
10
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| 4, 26, 28, 52, 76, 98, 124, 134, 158, 148, 172, 206, 218, 266, 244, 316, 292, 362, 388, 388, 364, 364, 386, 398, 518, 556, 494, 532, 556, 508, 532, 602, 602, 628, 724, 676, 758, 746, 734, 854, 916, 806, 868, 916, 844, 892, 866, 868, 1036, 1022, 988, 964, 974
(list; graph; listen)
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OFFSET
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1,1
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REFERENCES
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J. A. MacDougall, "Heron Triangles With Sides In Arithmetic Progression", Journal of Recreational Mathematics 31(3) 2002-2003, pp. 192-194.
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CROSSREFS
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Cf. A072330, A072360, A089019, A089020, A096672, A096673, A096674.
Sequence in context: A132553 A144229 A063802 this_sequence A046963 A022386 A059178
Adjacent sequences: A086906 A086907 A086908 this_sequence A086910 A086911 A086912
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KEYWORD
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nonn
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AUTHOR
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Lekraj Beedassy (blekraj(AT)yahoo.com), Sep 19 2003
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EXTENSIONS
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Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Jul 03 2004
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