A288882 Primes of the form k!3 + 3^6, where k!3 is the triple factorial number (A007661).
733, 739, 757, 809, 1009, 1609, 13049, 210169, 81359229952729, 126757680265216729, 13106744139423334400729, 2295148179742698933452800729, 12931890526958090978845347074978621685760000729
Offset: 1
Keywords
Links
- Robert Price, Table of n, a(n) for n = 1..18
- Henri and Renaud Lifchitz, PRP Records.Search for n!3+3^6.
- Joe McLean, Interesting Sources of Probable Primes.
- OpenPFGW Project, Primality Tester.
Programs
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Mathematica
MultiFactorial[n_, k_] := If[n<1, 1, n*MultiFactorial[n-k, k]]; Select[Table[MultiFactorial[i, 3] + 3^6, {i, 0, 100}], PrimeQ[#]&]