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A033569 (2n-1)(3n+1). 0
-1, 4, 21, 50, 91, 144, 209, 286, 375, 476, 589, 714, 851, 1000, 1161, 1334, 1519, 1716, 1925, 2146, 2379, 2624, 2881, 3150, 3431, 3724, 4029, 4346, 4675, 5016, 5369, 5734, 6111, 6500, 6901, 7314, 7739 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

LINKS

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

CROSSREFS

Sequence in context: A063122 A110737 A042223 * A201446 A135559 A131478

Adjacent sequences:  A033566 A033567 A033568 * A033570 A033571 A033572

KEYWORD

sign,easy

AUTHOR

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

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Last modified February 17 16:49 EST 2012. Contains 206058 sequences.