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A288369
Primes of the form k!10+1, where k!10 is the decuple factorial number (A288327).
1
2, 3, 5, 7, 11, 97, 45697, 4133377, 4060162871525377, 294880677941535796547813377, 46001385758879584261458886657, 7636230035974010987402175184897, 35568742809600000000000000000001, 18067746635539299564851337380417765377
OFFSET
1,1
MATHEMATICA
MultiFactorial[n_, k_] := If[n<1, 1, n*MultiFactorial[n-k, k]];
Select[Table[MultiFactorial[i, 10] + 1, {i, 0, 100}], PrimeQ[#]&]
CROSSREFS
Cf. A204656.
Sequence in context: A067909 A323697 A103850 * A226732 A083393 A182051
KEYWORD
nonn
AUTHOR
Robert Price, Jun 08 2017
STATUS
approved