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

Author

Mohammad K. Azarian

Keywords

• nonn
• tabf

Crossrefs

Cf. A014413.

Formula

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

Extensions

More terms from Sean A. Irvine, Nov 18 2018

Offset corrected by Joerg Arndt, Nov 19 2018