A288369 Primes of the form k!10+1, where k!10 is the decuple factorial number (A288327).

2, 3, 5, 7, 11, 97, 45697, 4133377, 4060162871525377, 294880677941535796547813377, 46001385758879584261458886657, 7636230035974010987402175184897, 35568742809600000000000000000001, 18067746635539299564851337380417765377

Offset

1,1

Links

Robert Price, Table of n, a(n) for n = 1..21

Joe McLean, Interesting Sources of Probable Primes

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

Adjacent sequences: A288366 A288367 A288368 * A288370 A288371 A288372

Keyword

nonn

Author

Robert Price, Jun 08 2017

Status

approved