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4, 49, 144, 289, 484, 729, 1024, 1369, 1764, 2209, 2704, 3249, 3844, 4489, 5184, 5929, 6724, 7569, 8464, 9409, 10404, 11449, 12544, 13689, 14884, 16129, 17424, 18769, 20164, 21609, 23104, 24649, 26244
(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..2000
Index entries for sequences related to linear recurrences with constant coefficients, signature (3,-3,1).
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FORMULA
| a(0)=4, a(n) = a(n-1) + 50*n - 5. [From Vincenzo Librandi, Jun 07 2011]
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MATHEMATICA
| (5*Range[0, 40]+2)^2 (* From Harvey P. Dale, Feb 19 2011 *)
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PROG
| (Magma) [(5*n+2)^2: n in [0..40]]; // Vincenzo Librandi, Jun 07 2011
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CROSSREFS
| Sequence in context: A061100 A147803 A112533 * A092866 A041065 A166838
Adjacent sequences: A016871 A016872 A016873 * A016875 A016876 A016877
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KEYWORD
| nonn,easy
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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