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A246212
Duplicate of A163951.
1
1, 9, 93, 1155, 17025, 292383, 5752131, 127790505, 3167896005, 86756071545, 2602658092419, 84917405260779, 2994675198208785, 113538315994418175
OFFSET
2,2
CROSSREFS
Sequence in context: A082724 A061635 A261688 * A163951 A231658 A034992
KEYWORD
dead
STATUS
approved