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Search: id:A073915
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| A073915 |
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Triangle read by rows in which the n-th row contains n numbers with n divisors. |
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+0
4
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| 1, 2, 3, 4, 9, 25, 6, 8, 10, 14, 16, 81, 625, 2401, 14641, 12, 18, 20, 28, 32, 44, 64, 729, 15625, 117649, 1771561, 4826809, 24137569, 24, 30, 40, 42, 54, 56, 66, 70, 36, 100, 196, 225, 256, 441, 484, 676, 1089, 48, 80, 112, 162, 176, 208, 272, 304, 368, 405
(list; table; graph; listen)
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OFFSET
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1,2
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COMMENT
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The 1st row contains the 1. The 2nd row contains the beginning of A000040. The 3rd contains the beginning of A001248, the 4th through 7th A030513 to A030516. The 8th through 20th rows come from A030626 to A030638. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Mar 23 2007
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EXAMPLE
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1; 2,3; 4,9,25; 6,8,10,14; 16,81,625,2401,14641; ...
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CROSSREFS
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Cf. A073916.
Sequence in context: A101135 A088220 A085612 this_sequence A076381 A063455 A001144
Adjacent sequences: A073912 A073913 A073914 this_sequence A073916 A073917 A073918
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KEYWORD
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nonn,tabl
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 18 2002
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EXTENSIONS
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Corrected and extended by Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Jan 28 2003
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