A118143 Numbers n for which there exists a perfect n X n parity pattern with 8-fold symmetry.

4, 5, 11, 16, 23, 29, 30, 32, 47, 59, 62, 64, 65, 84, 95, 101, 119, 125, 126, 128, 131, 154, 164, 170, 185, 191, 203, 204, 239, 251, 254, 256, 257

Offset: 1

Author

Don Knuth, May 11 2006

Keywords

• nonn
• more

Comments

See A118141 for definitions and references.

If an odd number m appears then so does 2m+1.

Crossrefs

Cf. A118141.