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A014428
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Even elements in Pascal's triangle.
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4
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2, 4, 6, 4, 10, 10, 6, 20, 6, 8, 28, 56, 70, 56, 28, 8, 36, 84, 126, 126, 84, 36, 10, 120, 210, 252, 210, 120, 10, 330, 462, 462, 330, 12, 66, 220, 792, 924, 792, 220, 66, 12, 78, 286, 1716, 1716, 286, 78, 14, 364, 2002, 3432, 2002, 364, 14, 16, 120, 560, 1820
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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Rémy Sigrist, Table of n, a(n) for n = 1..10111
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EXAMPLE
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Triangle begins:
2
4 6 4
10 10
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MATHEMATICA
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Select[ Flatten[ Table[ Binomial[ n, i ], {n, 0, 20}, {i, 0, n} ] ], EvenQ[ # ]& ]
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CROSSREFS
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Cf. A007318, A014421, A048967.
Sequence in context: A360459 A360458 A074320 * A180935 A151886 A334016
Adjacent sequences: A014425 A014426 A014427 * A014429 A014430 A014431
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KEYWORD
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nonn,easy,tabf
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AUTHOR
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Mohammad K. Azarian
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EXTENSIONS
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More terms from Erich Friedman
Offset corrected by Mohammad K. Azarian, Nov 19 2008
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STATUS
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approved
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