login
A289852
Primes of the form k!2-16, where k!2 is the double factorial number (A006852).
1
89, 929, 135119, 34459409, 7905853580609, 669325572332691496707919692320662308340434243618803739488329723923351785805848442856791239207612629457179653299076271283992814866750698368061459208762618124485015869140609
OFFSET
1,1
LINKS
MATHEMATICA
MultiFactorial[n_, k_] := If[n<1, 1, n*MultiFactorial[n-k, k]];
Select[Table[MultiFactorial[i, 2] - 16, {i, 6, 100}], PrimeQ[#]&]
CROSSREFS
Cf. A258616.
Sequence in context: A241700 A097155 A197348 * A158716 A093289 A103545
KEYWORD
nonn
AUTHOR
Robert Price, Jul 13 2017
STATUS
approved