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A215234 Next prime of the form 4m^2 + 1 larger than A215233(n). 1
17, 101, 1297, 2917, 12101, 41617, 147457, 287297, 11806097, 13133377, 2067520901, 6863459717, 9839449637, 127674723857, 707476125457, 15060950152337, 779262075850757, 1641697465193957, 10965367354922501, 1269018935772848837, 4346854111431035137, 5967398279997774401, 18768985664955187601, 45112697102785087877, 314579630761966551557, 331435895898730521601 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..26.

CROSSREFS

Cf. A215233.

Sequence in context: A344868 A186258 A175518 * A145943 A331950 A234693

Adjacent sequences:  A215231 A215232 A215233 * A215235 A215236 A215237

KEYWORD

nonn,hard

AUTHOR

T. D. Noe, Aug 14 2012

EXTENSIONS

More terms from Max Alekseyev, Aug 17 2013

STATUS

approved

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Last modified September 17 23:07 EDT 2021. Contains 347489 sequences. (Running on oeis4.)