A123281 Leading diagonal of A123260.

1, 1, 1, 5, 19, 205, 1795, 36317, 636331, 23679901, 805351531, 56294206205, 3735873535339, 502757743028605, 65725984337422795, 17309316971673776957, 4485620580863732681131

Offset: 1

Author

N. J. A. Sloane, Nov 12 2006

Keywords

• nonn

References

• R. W. Robinson, Numerical implementation of graph counting algorithms, AGRC Grant, Math. Dept., Univ. Newcastle, Australia, 1977.

Links

• R. W. Robinson, Table of n, a(n) for n = 1..30