

A085915


Group the natural numbers such that the product of the terms of the nth group is divisible by n!: (1), (2), (3, 4), (5, 6, 7, 8), (9, 10, 11, 12), (13, 14, 15, 16, 17, 18), (19, 20, 21, 22, 23, 24), ... Sequence contains the product of the terms of the nth group divided by n!. a(n) = A085912(n)/(n!).


3



1, 1, 2, 70, 99, 18564, 19228, 10518300, 8544965, 10272278170, 6854002506, 15363284301456, 8691760981890, 32626924340528840, 16017346662344280, 93343021201262177400, 40465728802060990857, 346051021610256116115150
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OFFSET

1,3


LINKS



CROSSREFS



KEYWORD

nonn


AUTHOR

Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), Jul 10 2003


EXTENSIONS



STATUS

approved



