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A014727
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Squares of even elements in Pascal's triangle A007318.
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1
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4, 16, 36, 16, 100, 100, 36, 400, 36, 64, 784, 3136, 4900, 3136, 784, 64, 1296, 7056, 15876, 15876, 7056, 1296, 100, 14400, 44100, 63504, 44100, 14400, 100, 108900, 213444, 213444, 108900, 144, 4356, 48400, 627264, 853776, 627264, 48400, 4356
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OFFSET
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0,1
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LINKS
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Harvey P. Dale, Table of n, a(n) for n = 0..1000
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FORMULA
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a(n) = A014428(n)^2. - Sean A. Irvine, Nov 18 2018
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MATHEMATICA
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Select[Flatten[Table[Binomial[n, k], {n, 0, 20}, {k, 0, n}]], EvenQ]^2 (* Harvey P. Dale, Apr 18 2020 *)
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CROSSREFS
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Cf. A007318, A014428.
Sequence in context: A078714 A292208 A104125 * A174597 A044065 A281795
Adjacent sequences: A014724 A014725 A014726 * A014728 A014729 A014730
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KEYWORD
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nonn,tabf,easy
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AUTHOR
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Mohammad K. Azarian
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EXTENSIONS
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More terms from Andrew J. Gacek (andrew(AT)dgi.net)
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STATUS
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approved
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