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A192793
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Molecular topological indices of the crossed prism graphs
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0
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108, 360, 900, 1872, 3420, 5688, 8820, 12960, 18252, 24840, 32868, 42480, 53820, 67032, 82260, 99648, 119340, 141480, 166212, 193680, 224028, 257400, 293940, 333792, 377100, 424008, 474660, 529200, 587772, 650520
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OFFSET
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1,1
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LINKS
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FORMULA
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a(n) = 12*n*(2*n^2+7).
G.f.: 36*x*(3*x^2-2*x+3)/(x-1)^4. [Colin Barker, Nov 04 2012]
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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