A014726 - OEIS

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A014726

Squares of odd elements in Pascal triangle.

0

1, 1, 1, 1, 1, 1, 9, 9, 1, 1, 1, 1, 25, 25, 1, 1, 225, 225, 1, 1, 49, 441, 1225, 1225, 441, 49, 1, 1, 1, 1, 81, 81, 1, 1, 2025, 2025, 1, 1, 121, 3025, 27225, 27225, 3025, 121, 1, 1, 245025, 245025, 1, 1, 169, 511225, 1656369, 1656369

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OFFSET

0,7

LINKS

Table of n, a(n) for n=0..53.

FORMULA

a(n) = A014421(n)^2. - Sean A. Irvine, Nov 18 2018

CROSSREFS

Sequence in context: A334480 A229758 A076115 * A277069 A197503 A197401

Adjacent sequences: A014723 A014724 A014725 * A014727 A014728 A014729

KEYWORD

nonn,tabf

AUTHOR

Mohammad K. Azarian

EXTENSIONS

More terms from Sean A. Irvine, Nov 18 2018

STATUS

approved