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A144134
Primes of the form GegenbauerC[n,2,3].
0
62527434837271029229
OFFSET
1,1
COMMENTS
No other terms < 10^10000. - Robert Israel, Apr 27 2020
MAPLE
f:= gfun:-rectoproc({(-n - 3)*a(n + 3) + (24 + 6*n)*a(n + 2) + (-5 - n)*a(n + 1), a(0) = 1, a(1) = 12, a(2) = 106}, a(n), remember):
select(isprime, map(f, [$0..4000])); # Robert Israel, Apr 27 2020
MATHEMATICA
lst={}; Do[p=GegenbauerC[n, 2, 3]; If[PrimeQ[p], AppendTo[lst, p]], {n, 15^3}]; lst
Select[GegenbauerC[Range[25], 2, 3], PrimeQ] (* Harvey P. Dale, Dec 04 2022 *)
CROSSREFS
Primes in A144133.
Sequence in context: A104283 A003852 A003845 * A172577 A276972 A280298
KEYWORD
nonn,bref
AUTHOR
STATUS
approved