A014726 Squares of odd elements in Pascal triangle.

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

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

Cf. A014421.

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