A014721 Squares of elements to left of the central element in Pascal triangle (by row).

1, 1, 9, 1, 16, 1, 100, 25, 1, 225, 36, 1, 1225, 441, 49, 1, 3136, 784, 64, 1, 15876, 7056, 1296, 81, 1, 44100, 14400, 2025, 100, 1, 213444, 108900, 27225, 3025, 121, 1, 627264, 245025, 48400, 4356, 144, 1, 2944656, 1656369, 511225, 81796

Offset

1,3

Links

Table of n, a(n) for n=1..46.

Formula

a(n) = A014413(n)^2. - Sean A. Irvine, Nov 18 2018

Crossrefs

Cf. A014413.

Sequence in context: A072448 A145966 A349143 * A054018 A342637 A010170

Adjacent sequences: A014718 A014719 A014720 * A014722 A014723 A014724

Keyword

nonn,tabf

Author

Mohammad K. Azarian

Extensions

More terms from Sean A. Irvine, Nov 18 2018

Offset corrected by Joerg Arndt, Nov 19 2018

Status

approved