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A133546 Binomial transform of [1,3,5,6,7,8,9,10,11,...] (i.e. positive integers except 2 and 4). 1
1, 4, 12, 31, 74, 169, 376, 823, 1782, 3829, 8180, 17395, 36850, 77809, 163824, 344047, 720878, 1507309, 3145708, 6553579, 13631466, 28311529, 58720232, 121634791, 251658214, 520093669, 1073741796, 2214592483, 4563402722 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

Row sums of triangle A133545.

FORMULA

G.f.: ((1-2*x+x^2-x^3)/((x-1)^2*(2*x-1)^2))

EXAMPLE

a(3)=12=sum of row 3 terms of triangle A133545:(6+5+1).

a(4)=31=(1,3,3,1) dot (1,3,5,6)=(1+9+15+6).

CROSSREFS

Cf. A133545.

Sequence in context: A027658 A001982 A129707 * A190376 A171844 A161217

Adjacent sequences:  A133543 A133544 A133545 * A133547 A133548 A133549

KEYWORD

nonn

AUTHOR

Gary W. Adamson (qntmpkt(AT)yahoo.com), Sep 15 2007

EXTENSIONS

Extended, edited and formula added by Olivier Gerard (olivier.gerard(AT)gmail.com), Oct 12 2007

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Last modified February 14 17:52 EST 2012. Contains 205651 sequences.