A091419 Squares arising in A089653.

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

1,3

Links

Amiram Eldar, Table of n, a(n) for n = 1..10000

Formula

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

Crossrefs

A091420 gives square roots.

Cf. A007947.

Sequence in context: A138675 A274091 A080103 * A326582 A276171 A306603

Adjacent sequences: A091416 A091417 A091418 * A091420 A091421 A091422

Keyword

nonn

Author

Ray Chandler, Jan 05 2004

Status

approved