A358461 Number of near-rings with identity of order n, up to isomorphism.

1, 1, 6, 1, 1, 1, 53, 11, 1, 1, 11, 1, 1, 1, 4274, 1, 26, 1

Offset

2,3

Comments

a(2) - a(19) were generated by Mace4 with the cube-and-conquer and the invariant algorithms.

References

G. Pilz, Near-rings: The Theory and Its Applications, Elsevier, 1977.

Links

Table of n, a(n) for n=2..19.

MathStructures, Near-rings with identity.

Crossrefs

Cf. A305858 and A037221 for various sequences related to near-rings.

Sequence in context: A316623 A108131 A073354 * A197420 A128423 A345628

Adjacent sequences: A358458 A358459 A358460 * A358462 A358463 A358464

Keyword

nonn,more

Author

Choiwah Chow, Dec 17 2022

Status

approved