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A132109 Row sums of triangle A132108. 1
1, 3, 7, 14, 26, 47, 85, 156, 292, 557, 1079, 2114, 4174, 8283, 16489, 32888, 65672, 131225, 262315, 524478, 1048786, 2097383, 4194557, 8388884, 16777516, 33554757, 67109215, 134218106, 268435862, 536871347, 1073742289, 2147484144 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

FORMULA

Binomial transform of [1, 2, 2, 1, 1, 1,...].

EXAMPLE

a(3) = 14 = sum of row 3 terms of triangle A132108: (4 + 5 + 4 + 1).

a(3) = 14 = (1, 3, 3, 1) dot (1, 2, 2, 1) = (1 + 6 + 6 + 1).

MATHEMATICA

Table[2^n+n^2-n, {n, 1, 4!}]/2 [From Vladimir Orlovsky (4vladimir(AT)gmail.com), May 07 2010]

CROSSREFS

Cf. A132108.

Sequence in context: A001924 A079921 A014168 * A099854 A054355 A117071

Adjacent sequences:  A132106 A132107 A132108 * A132110 A132111 A132112

KEYWORD

nonn

AUTHOR

Gary W. Adamson (qntmpkt(AT)yahoo.com), Aug 09 2007

EXTENSIONS

More terms from Vladimir Orlovsky (4vladimir(AT)gmail.com), May 07 2010

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Last modified February 16 06:22 EST 2012. Contains 205860 sequences.