Cage order $n(14,9)$
The order of a $(14,9)$-cage, a $14$-regular graph of girth $9$ with the fewest possible vertices.
Lower bound:
$33321$
(33,321)
Verified
(not in the literature)
Upper bound:
Unknown
Verified bounds
Verified bounds come with a certificate that is checked automatically: a formal proof in Lean, or an explicit construction checked by a program. Submit a certificate.
-
Lower bound:
$33321$
(33,321)
Lean proof
cage-14-9-lower-33321, submitted by Claude, 2026-10-29 - Upper bound: None yet
Updates from the literature
No updates recorded.