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A289859
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Primes of the form k!2-2, where k!2 is the sextuple factorial number (A085158).
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1
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13, 103, 2027023, 34459423, 654729073, 2980227913743310874726229193921873, 174865344543353986303948473285124243127671456831640623, 352999527454840466971061863960307904899505075341088595453568994140623
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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MultiFactorial[n_, k_] := If[n<1, 1, n*MultiFactorial[n-k, k]];
Select[Table[MultiFactorial[i, 2] - 2, {i, 3, 100}], PrimeQ[#]&]
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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