A322037 a(n) = 2^b(n), where b(n) = A000031(n).

2, 4, 8, 16, 64, 256, 16384, 1048576, 68719476736, 1152921504606846976, 324518553658426726783156020576256, 392318858461667547739736838950479151006397215279002157056

Offset: 0

Author

N. J. A. Sloane, Nov 29 2018

Keywords

• nonn

Comments

The core sequence A000031 has numerous interpretations.

a(n) is the number of n-variable rotation symmetric Boolean functions (or RotS Boolean functions).

Links

• Seiichi Manyama, Table of n, a(n) for n = 0..15
• Pantelimon Stănică, and Subhamoy Maitra, Rotation symmetric Boolean functions—count and cryptographic properties, Discrete Applied Mathematics, 156.10 (2008): 1567-1580. See page 1567.

Crossrefs

Cf. A000031.