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A027865
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n^2 + (n+1)^2 + (n+2)^2 + (n+3)^2 + (n+4)^2 + (n+5)^2.
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1
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55, 91, 139, 199, 271, 355, 451, 559, 679, 811, 955, 1111, 1279, 1459, 1651, 1855, 2071, 2299, 2539, 2791, 3055, 3331, 3619, 3919, 4231, 4555, 4891, 5239, 5599, 5971, 6355, 6751, 7159, 7579, 8011
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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LINKS
| Vincenzo Librandi, Table of n, a(n) for n = 0..1000
P. De Geest, World!Of Numbers
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FORMULA
| a(n) = 6*n^2 + 30*n + 55
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PROG
| sage: [i^2+(i+1)^2+(i+2)^2+(i+3)^2+(i+4)^2+(i+5)^2 for i in xrange(0, 36)] - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jul 03 2008
(MAGMA) [n^2 + (n+1)^2 + (n+2)^2 + (n+3)^2 + (n+4)^2 + (n+5)^2: n in [0..50] ]; // Vincenzo Librandi, Jun 17 2011
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CROSSREFS
| Sequence in context: A203613 A039533 A157484 * A195118 A143205 A111192
Adjacent sequences: A027862 A027863 A027864 * A027866 A027867 A027868
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KEYWORD
| nonn,easy
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AUTHOR
| Patrick De Geest (pdg(AT)worldofnumbers.com)
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EXTENSIONS
| Corrected by R. Stephan, Jan 02 2005
Edited by Charles R Greathouse IV (charles.greathouse(AT)case.edu), Jul 25 2010
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