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A075759
Duplicate of A000993.
0
1, 6, 22, 159, 1044, 9121, 78132, 748719, 7161484, 70800861, 699869892, 6978353179
OFFSET
0,2
CROSSREFS
Sequence in context: A002137 A009361 A193445 * A000993 A028406 A090372
KEYWORD
dead
STATUS
approved