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A132738
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Row sums of triangle A132737.
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2
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1, 2, 7, 16, 33, 66, 131, 260, 517, 1030, 2055, 4104, 8201, 16394, 32779, 65548, 131085, 262158, 524303, 1048592, 2097169, 4194322, 8388627, 16777236, 33554453, 67108886, 134217751, 268435480, 536870937, 1073741850, 2147483675, 4294967324, 8589934621
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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LINKS
| Vincenzo Librandi, Table of n, a(n) for n = 0..1000
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FORMULA
| Binomial transform of [1, 1, 4, 0, 4, 0, 4,...].
a(n) = 2^(n+1)+n-3 for n > 0. [From Franklin T. Adams-Watters, Jul 06 2009]
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EXAMPLE
| a(3) = 16 = sum of row 3 terms of triangle A132737: (1 + 7 + 7 + 1).
a(3) = 16 = (1, 3, 3, 1) dot (1, 1, 4, 0) = (1 + 3 + 12 + 0).
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MATHEMATICA
| Join[{1, 2, 7}, Table[BitSet[n, (n + 4)], {n, 0, 100}]] (* From Vladimir Joseph Stephan Orlovsky, Jul 19 2011 *)
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CROSSREFS
| Cf. A132737.
Sequence in context: A130869 A023612 A192952 * A097442 A131405 A176805
Adjacent sequences: A132735 A132736 A132737 * A132739 A132740 A132741
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KEYWORD
| nonn
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AUTHOR
| Gary W. Adamson (qntmpkt(AT)yahoo.com), Aug 26 2007
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EXTENSIONS
| Extended by Franklin T. Adams-Watters (FrankTAW(AT)Netscape.net), Jul 06 2009
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