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A146528
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Sequence related to A053016(n): a(n)=2*(If[n == 0, 0, 2^(n - 1)] + 2)
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0
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4, 6, 8, 12, 20, 36, 68, 132, 260, 516, 1028, 2052, 4100, 8196, 16388, 32772, 65540, 131076, 262148, 524292, 1048580, 2097156, 4194308, 8388612, 16777220, 33554436, 67108868, 134217732, 268435460, 536870916, 1073741828
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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COMMENTS
| The sequence is an extension or generalization of pattern in A053016 for Platonic solids.
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FORMULA
| a(n)=A140504(n), n>0. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 05 2008]
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MATHEMATICA
| v[n_] := 2*(If[n == 0, 0, 2^(n - 1)] + 2); Table[v[n], {n, 0, 30}]
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CROSSREFS
| A053016, A140504
Sequence in context: A053016 A078785 A136254 * A176777 A020153 A151760
Adjacent sequences: A146525 A146526 A146527 * A146529 A146530 A146531
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KEYWORD
| nonn
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AUTHOR
| Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Oct 30 2008
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