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A038036 Number of nonisomorphic and nonantiisomorphic rings with n elements. 0
1, 2, 2, 10, 2, 4, 2, 46, 10, 4, 2, 20, 2, 4, 4 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..15.

CROSSREFS

Cf. A027623.

Sequence in context: A019514 A135816 A157341 * A297793 A319880 A133631

Adjacent sequences:  A038033 A038034 A038035 * A038037 A038038 A038039

KEYWORD

nonn

AUTHOR

Christian G. Bower, Jun 15 1998

STATUS

approved

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Last modified March 19 23:02 EDT 2019. Contains 321343 sequences. (Running on oeis4.)