A001331 - OEIS

A001331

Number of n-element algebras with 1 ternary operation.
(Formerly M5395 N2344)

1, 130, 1270932917454, 14178431955039102644307345678938144832, 19591572513704791799478942287037427963644425946432640042160816616766795992851260047500, 1672390093955882094725125078968449171301017629802018367164057251590306327375884442617701277598562886114475651122751129803783336384871488080121922759032559677888042592

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OFFSET

1,2

REFERENCES

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

Table of n, a(n) for n=1..6.

M. A. Harrison, The number of isomorphism types of finite algebras, Proc. Amer. Math. Soc., 17 (1966), 731-737.

CROSSREFS

Cf. A091510.

Sequence in context: A224112 A184283 A246242 * A291620 A356374 A145096