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A064838 A064837/2. 2
0, 1, 9, 57, 210, 585, 1355, 2769, 5156, 8945, 14669, 22985, 34678, 50681, 72079, 100129, 136264, 182113, 239505, 310489, 397338, 502569, 628947, 779505, 957548, 1166673, 1410773, 1694057, 2021054, 2396633, 2826007, 3314753 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

LINKS

Harry J. Smith, Table of n, a(n) for n=0,...,500

PROG

(PARI) { for (n=0, 500, a=(6*n^4 + 30*n^3 - 20*n^2 + 14)*n/30 + n%2; write("b064838.txt", n, " ", a/2) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Sep 28 2009]

CROSSREFS

Sequence in context: A131468 A197530 A086888 * A027210 A192054 A045720

Adjacent sequences:  A064835 A064836 A064837 * A064839 A064840 A064841

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Oct 25 2001

EXTENSIONS

OFFSET changed from 1,3 to 0,3 by Harry J. Smith (hjsmithh(AT)sbcglobal.net), Sep 28 2009

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Last modified February 14 17:05 EST 2012. Contains 205643 sequences.