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A124356 Number of (directed) Hamiltonian cycles on the Moebius ladder graph M_n (for n>=4). +0
1
2, 8, 6, 12, 10, 16, 14, 20, 18, 24, 22, 28, 26, 32, 30, 36, 34, 40, 38, 44, 42, 48, 46, 52, 50, 56, 54, 60, 58, 64, 62, 68, 66, 72, 70, 76, 74, 80, 78, 84, 82, 88, 86, 92, 90, 96, 94, 100, 98, 104, 102, 108, 106, 112, 110, 116, 114, 120, 118, 124, 122, 128, 126, 132 (list; graph; listen)
OFFSET

1,1

LINKS

Eric Weisstein's World of Mathematics, Hamiltonian Circuit

FORMULA

a(n odd) = 2n, a(n even) = 2n+4

a(n)=2(n+1)+2(-1)^n; - Paul Barry (pbarry(AT)wit.ie), Feb 17 2008

CROSSREFS

Sequence in context: A019914 A065473 A054029 this_sequence A019186 A019187 A019243

Adjacent sequences: A124353 A124354 A124355 this_sequence A124357 A124358 A124359

KEYWORD

nonn

AUTHOR

Eric Weisstein (eric(AT)weisstein.com), Nov 05, 2006

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.


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