A002090 Related to Hamilton numbers. (Formerly M2327 N0920)

3, 4, 6, 11, 45, 906, 409182, 83762797735

Offset

1,1

References

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

J. J. Sylvester, Collected Mathematical Papers, Vols. 1-4, Cambridge Univ. Press, 1904-1912, Vol. 4, p. 551.

Links

Table of n, a(n) for n=1..8.

J. J. Sylvester, The collected mathematical papers of James Joseph Sylvester, vol. 2, vol. 3, vol. 4.

Crossrefs

Sequence in context: A374762 A192813 A048229 * A199970 A283738 A366535

Adjacent sequences: A002087 A002088 A002089 * A002091 A002092 A002093

Keyword

nonn

Author

N. J. A. Sloane

Status

approved