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A131912
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Row sums of triangle A131911.
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1
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1, 7, 12, 18, 23, 29, 34, 40, 45, 51, 56, 62, 67, 73, 78, 84, 89, 95, 100, 106, 111, 117, 122, 128, 133, 139, 144, 150, 155, 161, 166, 172, 177, 183, 188, 194, 199, 205, 210, 216, 221, 227, 232, 238, 243, 249, 254, 260, 265, 271, 276, 282, 287, 293, 298
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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FORMULA
| Binomial transform of (1, 6, -1, 2, -4, 8, -16,...).
a(n)=11*n-a(n-1)-14 (with a(1)=1) [From Vincenzo Librandi, Nov 23 2010]
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EXAMPLE
| a(4) = 18 = sum of row 4 terms, triangle A131911: (8 + 1 + 2 + 7).
a(4) = 18 = (1, 3, 3, 1) dot (1, 6, -1, 2) = (1 + 18 -3, 2).
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CROSSREFS
| Cf. A131911.
Sequence in context: A092094 A064665 A142337 * A022953 A030714 A190036
Adjacent sequences: A131909 A131910 A131911 * A131913 A131914 A131915
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KEYWORD
| nonn
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AUTHOR
| Gary W. Adamson (qntmpkt(AT)yahoo.com), Jul 27 2007
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