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Search: id:A004467
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| 0, 1, 13, 47, 114, 225, 391, 623, 932, 1329, 1825, 2431, 3158, 4017, 5019, 6175, 7496, 8993, 10677, 12559, 14650, 16961, 19503, 22287, 25324, 28625, 32201, 36063, 40222, 44689, 49475, 54591, 60048
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OFFSET
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0,3
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COMMENT
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3-dimensional analogue of centered polygonal numbers.
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REFERENCES
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T. P. Martin, Shells of atoms, Phys. Reports, 273 (1996), 199-241, eq. (11).
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CROSSREFS
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1/12*t*(n^3-n)+n for t = 2, 4, 6, ... gives A004006, A006527, A006003, A005900, A004068, A000578, A004126, A000447, A004188, A004466, A004467, A007588, A062025, A063521, A063522, A063523.
Adjacent sequences: A004464 A004465 A004466 this_sequence A004468 A004469 A004470
Sequence in context: A001662 A031390 A113943 this_sequence A141865 A146806 A135712
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KEYWORD
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nonn
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AUTHOR
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Albert D. Rich (Albert_Rich(AT)msn.com).
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