A224936 Primes in either the numerator or denominator of continued fraction convergents to Pi.

3, 7, 113, 103993, 833719, 265381, 4272943, 411557987, 842468587426513207, 7809723338470423412693394150101387872685594299

Offset

1,1

Links

Table of n, a(n) for n=1..10.

Mathematica

Select[Flatten[{Numerator[#], Denominator[#]}&/@Convergents[Pi, 500]], PrimeQ]

Crossrefs

Sequence in context: A014014 A289629 A015884 * A156201 A066771 A139159

Adjacent sequences: A224933 A224934 A224935 * A224937 A224938 A224939

Keyword

nonn

Author

Harvey P. Dale, Apr 20 2013

Status

approved