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A014631 Numbers in order in which they appear in Pascal's triangle. 4
1, 2, 3, 4, 6, 5, 10, 15, 20, 7, 21, 35, 8, 28, 56, 70, 9, 36, 84, 126, 45, 120, 210, 252, 11, 55, 165, 330, 462, 12, 66, 220, 495, 792, 924, 13, 78, 286, 715, 1287, 1716, 14, 91, 364, 1001, 2002, 3003, 3432, 105, 455, 1365, 5005, 6435, 16, 560, 1820, 4368, 8008, 11440 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..58.

Index entries for sequences that are permutations of the natural numbers

F. Richman, Combinations and Permutations

MATHEMATICA

lst = {1}; t = Flatten[Table[Binomial[n, m], {n, 16}, {m, Floor[n/2]}]]; Do[ If[ !MemberQ[lst, t[[n]]], AppendTo[lst, t[[n]] ]], {n, Length@t}]; lst (* Robert G. Wilson v *)

DeleteDuplicates[Flatten[Table[Binomial[n, m], {n, 20}, {m, 0, Floor[n/2]}]]] (* Harvey P. Dale, Apr 08 2013 *)

CROSSREFS

Cf. A034356, A074909, A119629.

Sequence in context: A209268 A183079 A119629 * A064787 A075160 A119755

Adjacent sequences:  A014628 A014629 A014630 * A014632 A014633 A014634

KEYWORD

nonn,easy

AUTHOR

Mohammad K. Azarian

EXTENSIONS

More terms from Erich Friedman

STATUS

approved

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Last modified May 20 11:29 EDT 2013. Contains 225459 sequences.