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0, 48, 128, 240, 384, 560, 768, 1008, 1280, 1584, 1920, 2288, 2688, 3120, 3584, 4080, 4608, 5168, 5760, 6384, 7040, 7728, 8448, 9200, 9984, 10800, 11648, 12528, 13440
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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COMMENTS
| Scalar curvature of quaternion Blaschke manifolds.
Numbers of the form (5m+3)^2-(3m+5)^2. - Bruno Berselli, Dec 11 2011
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LINKS
| M. Igarashi, On quaternion Kahlerian Blaschke manifolds.
Index to sequences with linear recurrences with constant coefficients, signature (3,-3,1).
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FORMULA
| a(n) = 16*(2*n+1)+a(n-1) (with a(0)=0). Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Nov 13 2010
G.f.: 16*x*(3-x)/(1-x)^3. - Bruno Berselli, Dec 11 2011
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MATHEMATICA
| a=Table[4^2*n*(n + 2), {n, 0, 28}]
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CROSSREFS
| Cf. A005563.
Sequence in context: A044616 A182679 A194952 * A044299 A044680 A118145
Adjacent sequences: A114441 A114442 A114443 * A114445 A114446 A114447
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KEYWORD
| nonn,easy
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AUTHOR
| Roger Bagula (rlbagulatftn(AT)yahoo.com), Feb 14 2006
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