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A010928 Binomial coefficient C(12,n). 6

%I #30 Sep 08 2022 08:44:37

%S 1,12,66,220,495,792,924,792,495,220,66,12,1

%N Binomial coefficient C(12,n).

%C Row 12 of A007318.

%C Also number of positions that are exactly n moves from the starting position in the Orbix Type 1 puzzle. This is the number of positions that can be reached in n moves from the start, but which cannot be reached in fewer than n moves. A puzzle in the Rubik cube family. The total number of distinct positions is 4096. Here positions differing by rotations or reflections are considered distinct.

%C If the sequence is extended by trailing zeros, its binomial transform yields A010965. - _R. J. Mathar_, Sep 19 2008

%H Jaap Scherphuis, <a href="http://www.jaapsch.net/puzzles/">Puzzle Pages</a>

%p seq(binomial(12,n), n=0..12); # _Nathaniel Johnston_, Jun 23 2011

%t q = 12; Join[{a = 1}, Table[a = (q - n)*a/(n + 1), {n, 0, q - 1}]] (* _Vladimir Joseph Stephan Orlovsky_, Jul 09 2011 *)

%t Binomial[12,Range[0,12]] (* _Harvey P. Dale_, Jul 02 2018 *)

%o (Sage) [binomial(12,m) for m in range(13)] # _Zerinvary Lajos_, Apr 21 2009

%o (Magma) [Binomial(12, n): n in [0..12]]; // _Vincenzo Librandi_, Jun 12 2013

%Y Cf. A010926-A011001, A080560-A080564.

%K nonn,fini,full,easy

%O 0,2

%A _N. J. A. Sloane_

%E Edited by _N. J. A. Sloane_ at the suggestion of _Andrew S. Plewe_, Jun 15 2007

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)