A092838 Numerators in the series for sec(x) that are primes.

5, 61, 277, 23489580527043108252017828576198947741, 5516994249383296071214195242422482492286460673697

Offset: 1

Author

Eric W. Weisstein, Mar 07 2004

Keywords

• nonn

Links

• Swee Hong Chan and Igor Pak, Computational complexity of counting coincidences, arXiv:2308.10214 [math.CO], 2023. See p. 16.
• Eric Weisstein's World of Mathematics, Secant

Crossrefs

Cf. A092839.