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A136280
Twice A136279.
3
0, 0, 2, 24, 86, 326, 16848, 1165538, 80584148
OFFSET
1,3
COMMENTS
Another version of A136279 (appropriate since each 2-cycle has two members).
CROSSREFS
Sequence in context: A119050 A119068 A068379 * A123831 A138648 A172225
KEYWORD
nonn
AUTHOR
Don Knuth, Mar 26 2008
STATUS
approved