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A014727 Squares of even elements in Pascal's triangle A007318. 1
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Harvey P. Dale, Table of n, a(n) for n = 0..1000

FORMULA

a(n) = A014428(n)^2. - Sean A. Irvine, Nov 18 2018

MATHEMATICA

Select[Flatten[Table[Binomial[n, k], {n, 0, 20}, {k, 0, n}]], EvenQ]^2 (* Harvey P. Dale, Apr 18 2020 *)

CROSSREFS

Cf. A007318, A014428.

Sequence in context: A078714 A292208 A104125 * A174597 A044065 A281795

Adjacent sequences:  A014724 A014725 A014726 * A014728 A014729 A014730

KEYWORD

nonn,tabf,easy

AUTHOR

Mohammad K. Azarian

EXTENSIONS

More terms from Andrew J. Gacek (andrew(AT)dgi.net)

STATUS

approved

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Last modified May 20 04:41 EDT 2022. Contains 353851 sequences. (Running on oeis4.)