A173425 Ordered pair {vertex,genus} to the Csaszar equation: h=(V-3)*(V-4)/12

3, 0, 4, 0, 7, 1, 12, 6, 15, 11, 16, 13, 19, 20, 24, 35, 27, 46, 28, 50, 31, 63, 36, 88

Offset

0,1

Comments

The first three genus solutions are given in the Jay Kappraff book.

References

Jay Kappraff,"Connections, the geometric bridge between art and science", World Scientific, 2001.

Links

Table of n, a(n) for n=0..23.

Example

{vertex,genus}->{3, 0}, {4, 0}, {7, 1}, {12, 6}, {15, 11}, {16, 13}, {19, 20}, {24, 35}, {27, 46}, {28, 50}, {31, 63}, {36, 88},...

Mathematica

Delete[Union[Flatten[Table[Union[Table[If[(v - 3)*(v - 4) - 12*g == 0, {v, g}, {}], {v, 3, 200}]], {g, 0, 100}], 1]], 1];
Flatten[%]

Crossrefs

Sequence in context: A277894 A027636 A371737 * A289445 A237558 A060034

Adjacent sequences: A173422 A173423 A173424 * A173426 A173427 A173428

Keyword

nonn,uned

Author

Roger L. Bagula, Feb 18 2010

Status

approved