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Search: id:A139175
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| A139175 |
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Natural numbers of the form (n!-5)/5. |
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+0
9
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| 23, 143, 1007, 8063, 72575, 725759, 7983359, 95800319, 1245404159, 17435658239, 261534873599, 4184557977599, 71137485619199, 1280474741145599, 24329020081766399, 486580401635327999
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OFFSET
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4,1
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MATHEMATICA
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Table[(n! - 5)/5, {n, 4, 20}]
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CROSSREFS
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Cf. A033312, A139172, A139173, A139174, A139175, A139176, A139177, A139183, A139184.
Sequence in context: A059915 A059701 A036494 this_sequence A055827 A142902 A125333
Adjacent sequences: A139172 A139173 A139174 this_sequence A139176 A139177 A139178
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KEYWORD
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nonn
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AUTHOR
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Artur Jasinski (grafix(AT)csl.pl), Apr 11 2008
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