EPISODE · Jun 30, 2025 · 16 MIN
OEIS A000264: Three-edge-connected rooted cubic maps with two E-nodes and a distinguished Hamiltonian cycle
from Intellectually Curious · host Mike Breault
In this episode, we dive into A000264, which counts three-edge-connected rooted cubic maps with two E-nodes and a distinguished Hamiltonian cycle. We’ll unpack what a cubic map is, what it means for it to be 3-edge-connected, and why a distinguished Hamiltonian cycle is a central piece of the combinatorial puzzle. From there, we’ll sketch how mathematicians approach enumeration in such structured graphs, discuss the role of Hamiltonian cycles in these objects, and connect these ideas to broader themes in graph theory and the theory of integer sequences in the OEIS.Note: This podcast was AI-generated, and sometimes AI can make mistakes. Please double-check any critical information.Sponsored by Embersilk LLC
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What this episode covers
In this episode, we dive into A000264, which counts three-edge-connected rooted cubic maps with two E-nodes and a distinguished Hamiltonian cycle. We’ll unpack what a cubic map is, what it means for it to be 3-edge-connected, and why a distinguished Hamiltonian cycle is a central piece of the combinatorial puzzle. From there, we’ll sketch how mathematicians approach enumeration in such structured graphs, discuss the role of Hamiltonian cycles in these objects, and connect these ideas to broad...
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OEIS A000264: Three-edge-connected rooted cubic maps with two E-nodes and a distinguished Hamiltonian cycle
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