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A006987 Binomial coefficients: C(n,k), 2 <= k <= n-2, sorted, duplicates removed.
(Formerly M4084)
+0
12
6, 10, 15, 20, 21, 28, 35, 36, 45, 55, 56, 66, 70, 78, 84, 91, 105, 120, 126, 136, 153, 165, 171, 190, 210, 220, 231, 252, 253, 276, 286, 300, 325, 330, 351, 364, 378, 406, 435, 455, 462, 465, 495, 496, 528, 560, 561, 595, 630, 666, 680, 703, 715, 741, 780, 792, 816, 820 (list; graph; listen)
OFFSET

1,1

COMMENT

Complement of A137905; a(n) > A058084(a(n)). [From Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Mar 20 2009]

REFERENCES

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

LINKS

T. D. Noe, Table of n, a(n) for n=1..1000

MATHEMATICA

Take[ Union[ Flatten[ Table[ Binomial[n, k], {n, 2, 45}, {k, 2, n - 2}]]], 58] (from Robert G. Wilson v May 25 2004)

CROSSREFS

Sequence in context: A166160 A162731 A145286 this_sequence A157937 A080255 A115744

Adjacent sequences: A006984 A006985 A006986 this_sequence A006988 A006989 A006990

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), R. G. Wilson v (rgwv(AT)rgwv.com)

EXTENSIONS

More terms from David W. Wilson (davidwwilson(AT)comcast.net).

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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