|
Search: id:A092794
|
|
|
| A092794 |
|
Number of connected relations. |
|
+0
1
|
|
| 1, 21, 265, 2733, 25441, 223461, 1895545, 15736413, 128882641, 1046542101, 8451838825, 68020609293, 546227922241, 4380272835141, 35094966838105, 281025802973373, 2249545355064241, 18003091856638581, 144058517372685385
(list; graph; listen)
|
|
|
OFFSET
|
1,2
|
|
|
REFERENCES
|
G. Kilibarda and V. Jovovic, "Enumeration of some classes of T_0-hypergraphs", in preparation, 2004.
|
|
FORMULA
|
8^n-3*5^n+2*4^n.
|
|
CROSSREFS
|
Cf. A005333, A001047, A002501, A002502, A093732, A093733.
Sequence in context: A125433 A135122 A045505 this_sequence A133717 A056282 A000770
Adjacent sequences: A092791 A092792 A092793 this_sequence A092795 A092796 A092797
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Goran Kilibarda, Vladeta Jovovic (vladeta(AT)eunet.rs), Apr 15 2004
|
|
|
Search completed in 0.002 seconds
|
