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A019062
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Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite THO = Thomsonite Na4Ca8[ Al20Si20O80 ] . 24 H2O.
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1
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4, 4, 16, 160, 852, 4732, 30184, 189504, 1205100, 7852660, 51742748, 345148988, 2326869772, 15824127132, 108475211920
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OFFSET
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2,1
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LINKS
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CROSSREFS
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Cf. A019013 (agrees until a(10), thereafter differs).
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KEYWORD
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nonn,more
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AUTHOR
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Georg Thimm (mgeorg(AT)ntu.edu.sg)
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EXTENSIONS
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STATUS
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approved
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