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A006719 a(n) = A000905(n) + 1.
(Formerly M2328)
1
3, 4, 6, 12, 48, 924, 409620, 83763206256, 3508125906290858798172, 6153473687096578758448522809275077520433168, 18932619208894981833333582059033329370801266249535902023330546944758507753065602135844 (list; graph; refs; listen; history; text; internal format)
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

Table of n, a(n) for n=1..11.

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

CROSSREFS

Sequence in context: A176045 A255733 A137333 * A202855 A182857 A251483

Adjacent sequences:  A006716 A006717 A006718 * A006720 A006721 A006722

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Ralf Stephan, Aug 05 2004

STATUS

approved

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Last modified February 23 23:56 EST 2018. Contains 299595 sequences. (Running on oeis4.)