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Search: id:A139619
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| A139619 |
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19th transversal numbers (or 19-transversal numbers): (A000217(19)-19)*n + 19. |
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+0
5
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| 19, 190, 361, 532, 703, 874, 1045, 1216, 1387, 1558, 1729, 1900, 2071, 2242, 2413, 2584, 2755, 2926, 3097, 3268, 3439, 3610, 3781, 3952, 4123, 4294, 4465, 4636, 4807, 4978, 5149, 5320, 5491, 5662, 5833, 6004, 6175, 6346, 6517, 6688
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OFFSET
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0,1
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COMMENT
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Numbers of the 19th column of positive numbers in the square array of nonnegative and polygonal numbers A139600. Also, numbers of the 19th column in the square array A057145.
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FORMULA
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a(n) = (A000217(19)-19)*n + 19 = (190-19)n + 19 = 171n + 19 = 19(9n + 1).
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CROSSREFS
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Cf. A001477, A000217, A000290, A000326, A000384, A000566, A000567, A001106, A001107, A051682, A051624, A051865, A051866, A051867, A051868, A051869, A051870, A000004, A000012, A000027, A008585, A016957, A017329, A139606, A139607, A139608, A139609, A139610, A139611, A139612, A139613, A139614, A139615, A139616, A139617, A139618, A139620, A057145, A086271, A139600, A139601.
Sequence in context: A126540 A008419 A034273 this_sequence A121039 A010971 A022584
Adjacent sequences: A139616 A139617 A139618 this_sequence A139620 A139621 A139622
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KEYWORD
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easy,nonn
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AUTHOR
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Omar E. Pol (info(AT)polprimos.com), May 21 2008
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