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Search: id:A092795
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| A092795 |
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Number of connected relations. |
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+0
1
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| 1, 67, 1993, 43891, 836521, 14764627, 249723433, 4123297651, 67157947561, 1085384064787, 17464790421673, 280328391247411, 4493290901135401, 71964955947764947, 1152089156508284713, 18439265231953981171
(list; graph; listen)
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OFFSET
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1,2
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REFERENCES
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G. Kilibarda and V. Jovovic, "Enumeration of some classes of T_0-hypergraphs", in preparation, 2004.
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FORMULA
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16^n-4*9^n-3*7^n+12*6^n-6*5^n.
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CROSSREFS
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Cf. A005333, A001047, A002501, A002502, A093732, A093733.
Sequence in context: A032651 A157665 A078850 this_sequence A017783 A017730 A078953
Adjacent sequences: A092792 A092793 A092794 this_sequence A092796 A092797 A092798
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KEYWORD
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nonn
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AUTHOR
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Goran Kilibarda, Vladeta Jovovic (vladeta(AT)eunet.rs), Apr 15 2004
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