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A062744
Duplicate of A059968.
1
1, 1, 10, 145, 2470, 46060, 910252, 18730855, 397089550, 8612835715, 190223180840, 4263421511271, 96723482198980, 2216905597676000, 51256802757808320
OFFSET
0,3
CROSSREFS
Sequence in context: A268737 A292844 A180905 * A059968 A255522 A113354
KEYWORD
dead
STATUS
approved