A093733 -id:A093733 - cp's OEIS frontend

A092796 Number of connected relations.

1, 213, 14857, 694485, 27005881, 957263493, 32333393737, 1064686990965, 34589700409561, 1115777278022373, 35856732186282217, 1149998292486777045, 36843831022923582841, 1179748027215029366853, 37764598757179830172297, 1208682260675932309564725

Offset: 1

Goran Kilibarda, Vladeta Jovovic, Apr 15 2004

G. C. Greubel, Table of n, a(n) for n = 1..660
G. Kilibarda and V. Jovovic, Enumeration of some classes of T_0-hypergraphs, arXiv:1411.4187 [math.CO], 2014.
Index entries for linear recurrences with constant coefficients, signature (91,-3299,62713,-682172,4276972,-14386144,20106240).

Cf. A005333, A001047, A002501, A002502, A093732, A093733.

[32^n - 5*17^n - 10*11^n + 20*10^n + 30*8^n - 60*7^n + 24*6^n: n in [0..50]]; // G. C. Greubel, Oct 08 2017

Table[32^n - 5*17^n - 10*11^n + 20*10^n + 30*8^n - 60*7^n + 24*6^n, {n, 0, 50}] (* G. C. Greubel, Oct 08 2017 *)

for(n=0,50, print1(32^n - 5*17^n - 10*11^n + 20*10^n + 30*8^n - 60*7^n + 24*6^n, ", ")) \\ G. C. Greubel, Oct 08 2017

a(n) = 32^n - 5*17^n - 10*11^n + 20*10^n + 30*8^n - 60*7^n + 24*6^n.

G.f.: -x*(132960*x^5 + 145292*x^4 - 17528*x^3 - 1227*x^2 + 122*x + 1) / ((6*x-1)*(7*x-1)*(8*x-1)*(10*x-1)*(11*x-1)*(17*x-1)*(32*x-1)). - Colin Barker, Jul 13 2013

Additional term from Colin Barker, Jul 13 2013

A092797 Number of connected relations.

Original entry on oeis.org

1, 667, 108817, 10796275, 858251401, 61283936827, 4147211888737, 273109341611395, 17736960725057401, 1143745441025278987, 73483870162431314257, 4712360023676936085715, 301901195708380781658601, 19331914197940256185117147, 1237580377249840094294765377

Offset: 1

Goran Kilibarda, Vladeta Jovovic, Apr 15 2004

G. C. Greubel, Table of n, a(n) for n = 1..550
G. Kilibarda and V. Jovovic, Enumeration of some classes of T_0-hypergraphs, arXiv:1411.4187 [math.CO], 2014.

Cf. A005333, A001047, A002501, A002502, A093732, A093733.

[64^n - 6*33^n - 15*19^n + 30*18^n - 10*15^n + 120*12^n - 120*11^n  + 30*10^n - 270*9^n + 360*8^n - 120*7^n: n in [0..50]]; // G. C. Greubel, Oct 08 2017

Table[64^n - 6*33^n - 15*19^n + 30*18^n - 10*15^n + 120*12^n - 120*11^n  + 30*10^n - 270*9^n + 360*8^n - 120*7^n, {n, 0, 50}] (* G. C. Greubel, Oct 08 2017 *)

for(n=0,50, print1(64^n - 6*33^n - 15*19^n + 30*18^n - 10*15^n + 120*12^n - 120*11^n  + 30*10^n - 270*9^n + 360*8^n - 120*7^n, ", ")) \\ G. C. Greubel, Oct 08 2017

a(n) = 64^n - 6*33^n - 15*19^n + 30*18^n - 10*15^n + 120*12^n - 120*11^n + 30*10^n - 270*9^n + 360*8^n - 120*7^n.

G.f.: x*(54888451200*x^9 +55706052240*x^8 -14450714964*x^7 -624924*x^6 +247511131*x^5 -22659769*x^4 +564934*x^3 +10694*x^2 -461*x -1) / ((7*x -1)*(8*x -1)*(9*x -1)*(10*x -1)*(11*x -1)*(12*x -1)*(15*x -1)*(18*x -1)*(19*x -1)*(33*x -1)*(64*x -1)). - Colin Barker, Jul 13 2013

More terms from Colin Barker, Jul 13 2013

cp's OEIS Frontend

A092796 Number of connected relations.

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