A154503 Numbers n of A144571

1, 5, 11, 15, 21, 29, 45, 49, 55, 61, 71, 85, 119, 129, 131, 135, 139, 151, 175, 185, 209, 211, 219, 229, 231, 259, 265, 275, 309, 311, 321, 331, 339, 349, 365, 371, 415, 421, 435, 439, 465, 491, 499, 501, 505, 519, 549, 551, 555, 561, 565, 575, 591, 601, 609

Offset

1,2

Links

Table of n, a(n) for n=1..55.

Mathematica

lst={}; Do[If[PrimeQ[p=81*n^2-90*n+26], AppendTo[lst, n]], {n, 7!}]; lst

Crossrefs

Cf. A144571

Sequence in context: A314062 A314063 A314064 * A314065 A314066 A314067

Adjacent sequences: A154500 A154501 A154502 * A154504 A154505 A154506

Keyword

nonn

Author

Vladimir Joseph Stephan Orlovsky, Jan 11 2009

Status

approved