| 1, 3, 6, 10, 15, 21, 28, 36, 46, 58, 72, 88, 106, 126, 148, 172, 198, 225, 255, 288, 324, 363, 405, 450, 498, 549, 603, 660, 720, 783, 847, 915, 987, 1063, 1143, 1227, 1315, 1407, 1503, 1603, 1707, 1815, 1927, 2043, 2163, 2287, 2412, 2542, 2677, 2817, 2962, 3112, 3267
(list; graph; listen)
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OFFSET
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1,2
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FORMULA
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Let M = {{0, 1}, {-16, 12}}, v[1] = {0, 1}, v[n] = M.v[n - 1]. Then a(n) =v[n][[1]]. - Roger Bagula (rlbagulatftn(AT)yahoo.com), Aug 15 2006
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CROSSREFS
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Cf. A079645, A032378, A112873.
Sequence in context: A075057 A069792 A025737 this_sequence A122056 A025706 A025730
Adjacent sequences: A120718 A120719 A120720 this_sequence A120722 A120723 A120724
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Oct 29 2006
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