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Search: id:A093033
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| A093033 |
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Number of interior balls in a truncated octahedral arrangement. |
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+0
1
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| 6, 79, 314, 807, 1654, 2951, 4794, 7279, 10502, 14559, 19546, 25559, 32694, 41047, 50714, 61791, 74374, 88559, 104442, 122119, 141686, 163239, 186874, 212687, 240774, 271231, 304154, 339639, 377782, 418679, 462426, 509119, 558854, 611727, 667834, 727271
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OFFSET
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1,1
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REFERENCES
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H. S. M. Coxeter, Polyhedral numbers, pp. 25-35 of R. S. Cohen, J. J. Stachel and M. W. Wartofsky, eds., For Dirk Struik: Scientific, historical and political essays in honor of Dirk J. Struik, Reidel, Dordrecht, 1974.
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FORMULA
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16*n^3-15*n^2+6*n-1.
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CROSSREFS
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Sequence in context: A094419 A049209 A053771 this_sequence A123796 A129524 A131237
Adjacent sequences: A093030 A093031 A093032 this_sequence A093034 A093035 A093036
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KEYWORD
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nonn
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AUTHOR
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njas, May 08 2004
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