A123281 Leading diagonal of A123260.

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

Offset

1,4

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

Crossrefs

Sequence in context: A106991 A377556 A102262 * A135171 A058765 A317340

Adjacent sequences: A123278 A123279 A123280 * A123282 A123283 A123284

Keyword

nonn

Author

N. J. A. Sloane, Nov 12 2006

Status

approved