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A018204
Possible numbers of complements of topologies on 13 points.
0
1, 12, 121, 1000, 2048, 4095, 6561, 8192
OFFSET
0,2
CROSSREFS
Sequence in context: A337202 A299823 A222634 * A176779 A098297 A037543
KEYWORD
nonn,more
STATUS
approved