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A109894
Duplicate of A079759.
0
1, 20, 4620, 12697776, 159845400, 941432800, 158800433792, 1895312483064000, 3438271897004237230080, 933561026438040, 2562849175892544, 640904462719404383808000, 1528364130975, 2352733350786, 959393282698730880000, 6142080926952
OFFSET
1,2
CROSSREFS
Sequence in context: A184891 A279297 A079759 * A227765 A250020 A088852
KEYWORD
dead
STATUS
approved