A220446 Oscillating primes.

19, 43, 71, 79, 83, 131, 163, 191, 199, 211, 223, 227, 263, 311, 331, 347, 379, 431, 463, 467, 491, 499, 563, 659, 727, 811, 839, 863, 883, 971

Offset

1,1

Comments

These are the primes p for the p-adic valuation of A220449 has a well-defined oscillation.

See Moll (2012) for precise definition.

Links

Table of n, a(n) for n=1..30.

V. H. Moll, An arithmetic conjecture on a sequence of arctangent sums, 2012.

Crossrefs

Cf. A220449.

Sequence in context: A095103 A094843 A094845 * A155770 A153169 A090797

Adjacent sequences: A220443 A220444 A220445 * A220447 A220448 A220449

Keyword

nonn

Author

N. J. A. Sloane, Dec 22 2012

Status

approved