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A370161
a(n) is the dimension of the multilinear part of the free flexible algebra with n generators.
0
1, 2, 9, 61, 545, 5986
OFFSET
1,2
COMMENTS
The flexible identity is (x*y)*z + (z*y)*x = x*(y*z) + z*(y*x).
Flexible algebras are algebras (possibly non-associative) satisfying this identity.
CROSSREFS
Cf. A370677 for flexible Lie-admissible algebras.
Sequence in context: A341956 A349289 A053983 * A192939 A107883 A088182
KEYWORD
nonn,hard,more
AUTHOR
Paul Laubie, Feb 26 2024
STATUS
approved