A201963 Primes of the form 10n^2 - 7.

3, 83, 353, 1433, 2243, 7283, 10883, 12953, 26003, 29153, 35993, 75683, 92153, 104033, 123203, 129953, 136883, 166403, 182243, 224993, 234083, 262433, 345953, 368633, 392033, 416153, 453683, 466553, 620003, 665633, 712883, 728993

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..5000

Mathematica

Select[Table[10n^2-7, {n, 1, 1000}], PrimeQ]

Prog

(Magma) [a: n in [1..400] | IsPrime(a) where a is 10*n^2-7];

Crossrefs

Sequence in context: A101717 A053974 A239637 * A261434 A020464 A036943

Adjacent sequences: A201960 A201961 A201962 * A201964 A201965 A201966

Keyword

nonn,easy

Author

Vincenzo Librandi, Dec 07 2011

Status

approved