cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A091419 Squares arising in A089653.

Original entry on oeis.org

1, 1, 4, 1, 9, 1, 16, 9, 4, 25, 1, 36, 9, 9, 25, 1, 64, 9, 81, 9, 100, 25, 121, 4, 1, 144, 9, 81, 169, 196, 9, 25, 225, 121, 9, 1, 256, 16, 289, 9, 64, 81, 25, 169, 361, 9, 400, 25, 441, 225, 484, 121, 9, 1, 529, 576, 289, 4, 625, 9, 81, 25, 676, 169, 361, 144, 729, 784, 9
Offset: 1

Views

Author

Ray Chandler, Jan 05 2004

Keywords

Crossrefs

A091420 gives square roots.
Cf. A007947.

Formula

a(n) = A007947(A089653(n)) - 1. - Amiram Eldar, Sep 29 2019