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15, 120, 225, 330, 435, 540, 645, 750, 855, 960, 1065, 1170, 1275, 1380, 1485, 1590, 1695, 1800, 1905, 2010, 2115, 2220, 2325, 2430, 2535, 2640, 2745, 2850, 2955, 3060, 3165, 3270, 3375, 3480, 3585, 3690, 3795, 3900, 4005, 4110, 4215
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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COMMENTS
| Numbers of the 15th column of positive numbers in the square array of nonnegative and polygonal numbers A139600. Also, numbers of the 15th column in the square array A057145.
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LINKS
| Vincenzo Librandi, Table of n, a(n) for n = 0..5000
Index to sequences with linear recurrences with constant coefficients, signature (2,-1).
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PROG
| (MAGMA) [15*(7*n + 1): n in [0..60]]; // Vincenzo Librandi, Jul 23 2011
(PARI) a(n)=105*n+15 \\ Charles R Greathouse IV, Oct 05 2011
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CROSSREFS
| Sequence in context: A161476 A162321 A161875 * A196506 A027484 A185542
Adjacent sequences: A139612 A139613 A139614 * A139616 A139617 A139618
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KEYWORD
| easy,nonn
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AUTHOR
| Omar E. Pol (info(AT)polprimos.com), Apr 27 2008
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