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 A288884 Primes of the form k!3 + 3^8, where k!3 is the triple factorial number (A007661). 1
 6563, 6571, 6841, 2504908961, 17961239302561, 81359229958561, 664565853958561, 2295148179742698933452806561, 628962407176689215723405312006561, 43414370923880963682387072385024006561, 116346745870073113470947277571643877742200278220800006561 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Robert Price, Table of n, a(n) for n = 1..18 Henri& Renaud Lifchitz, PRP Records.Search for n!3+3^8. Joe McLean, Interesting Sources of Probable Primes OpenPFGW Project, Primality Tester MATHEMATICA MultiFactorial[n_, k_] := If[n<1, 1, n*MultiFactorial[n-k, k]]; Select[Table[MultiFactorial[i, 3] + 3^8, {i, 0, 100}], PrimeQ[#]&] CROSSREFS Cf. A264867. Sequence in context: A017432 A017564 A031579 * A031759 A145050 A256837 Adjacent sequences:  A288881 A288882 A288883 * A288885 A288886 A288887 KEYWORD nonn AUTHOR Robert Price, Jun 18 2017 STATUS approved

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