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Search: id:A093322
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| A093322 |
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Tetranacci numbers starting with first four cubes. |
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+0
1
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| 1, 8, 27, 64, 100, 199, 390, 753, 1442, 2784, 5369, 10348, 19943, 38444, 74104, 142839, 275330, 530717, 1022990, 1971876, 3800913, 7326496, 14122275, 27221560, 52471244, 101141575, 194956654, 375791033, 724360506, 1396249768, 2691357961
(list; graph; listen)
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OFFSET
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1,2
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FORMULA
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a(n) = a(n-1) + a(n-2) + a(n-3) + a(n-4).
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MATHEMATICA
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a[1] = 1; a[2] = 8; a[3] = 27; a[4] = 64; a[n_] := a[n] = a[n - 1] + a[n - 2] + a[n - 3] + a[n - 4]; Table[ a[n], {n, 31}] (from Robert G. Wilson v)
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CROSSREFS
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Cf. A086213.
Sequence in context: A141227 A151675 A062686 this_sequence A017670 A126200 A076989
Adjacent sequences: A093319 A093320 A093321 this_sequence A093323 A093324 A093325
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KEYWORD
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nonn
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AUTHOR
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Jun Mizuki (suzuki32(AT)sanken.osaka-u.ac.jp), May 11 2004
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EXTENSIONS
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More terms from Robert G. Wilson v (rgwv(AT)rgwv.com) and Labos E. (labos(AT)ana.sote.hu), May 11 2004
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