A014725 Squares of odd elements in Pascal triangle that are not 1.
9, 9, 25, 25, 225, 225, 49, 441, 1225, 1225, 441, 49, 81, 81, 2025, 2025, 121, 3025, 27225, 27225, 3025, 121, 245025, 245025, 169, 511225, 1656369, 1656369, 511225, 169, 8281, 1002001, 9018009, 9018009, 1002001, 8281, 225, 11025, 207025, 1863225
Offset: 1
Keywords
Crossrefs
Cf. A014414.
Formula
a(n) = A014414(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