login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A006719
a(n) = A000905(n) + 1.
(Formerly M2328)
1
3, 4, 6, 12, 48, 924, 409620, 83763206256, 3508125906290858798172, 6153473687096578758448522809275077520433168, 18932619208894981833333582059033329370801266249535902023330546944758507753065602135844
OFFSET
1,1
COMMENTS
Related to Hamilton numbers.
REFERENCES
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
J. J. Sylvester, The collected mathematical papers of James Joseph Sylvester, vol. 2, vol. 3, vol. 4.
CROSSREFS
Sequence in context: A350299 A255733 A137333 * A202855 A182857 A251483
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from Ralf Stephan, Aug 05 2004
STATUS
approved