A201602 - OEIS

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A201602

Primes of the form 7n^2 + 1.

3

29, 113, 449, 701, 1009, 1373, 2269, 2801, 3389, 4733, 6301, 8093, 13553, 14813, 23549, 30493, 32369, 34301, 38333, 40433, 42589, 49393, 56701, 64513, 70001, 78653, 81649, 84701, 100801, 114689, 125693, 137201, 149213, 161729, 166013

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

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

MATHEMATICA

Select[Table[7n^2+1, {n, 0, 900}], PrimeQ]

PROG

(Magma) [a: n in [0..600] | IsPrime(a) where a is 7*n^2+1];

CROSSREFS

Sequence in context: A093359 A158556 A272629 * A050527 A254413 A225928

Adjacent sequences: A201599 A201600 A201601 * A201603 A201604 A201605

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Dec 03 2011

STATUS

approved