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A028069 Expansion of 1/((1-3x)(1-5x)(1-9x)(1-11x)). 0
1, 28, 510, 7700, 104951, 1344168, 16531180, 197743000, 2319239901, 26813094308, 306681461450, 3479254697100, 39224238812851, 440041610610448, 4917647821351320, 54788913249014000, 608931512071655801 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..16.

FORMULA

a(n)=(11^(n+3)-2*9^(n+3)+2*5^(n+3)-3^(n+3))/96. [Yahia Kahloune, Jun 10 2013]

CROSSREFS

Sequence in context: A028081 A028009 A028119 * A028007 A028078 A028000

Adjacent sequences:  A028066 A028067 A028068 * A028070 A028071 A028072

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified May 22 09:50 EDT 2022. Contains 353949 sequences. (Running on oeis4.)