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A006124 3 + n/2 + 7n^2/2. 0
3, 7, 18, 36, 61, 93, 132, 178, 231, 291, 358, 432, 513, 601, 696, 798, 907, 1023, 1146, 1276, 1413, 1557, 1708, 1866, 2031, 2203, 2382, 2568, 2761, 2961, 3168, 3382, 3603, 3831, 4066, 4308, 4557, 4813 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

LINKS

Index entries for sequences related to linear recurrences with constant coefficients, signature (3,-3,1).

MATHEMATICA

Table[3+n/2+7/2 n^2, {n, 0, 50}]  (* From Harvey P. Dale, Mar 21 2011 *)

CROSSREFS

Sequence in context: A102329 A069143 A097007 * A197182 A074587 A076700

Adjacent sequences:  A006121 A006122 A006123 * A006125 A006126 A006127

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 17 13:28 EST 2012. Contains 206031 sequences.