A065993 The first n base-6 digits of Pi (A004605) expressed in decimal forms a prime.

1, 3, 78

Offset

1,2

Links

Table of n, a(n) for n=1..3.

Example

The first 3 senary digits of Pi (A004605) are 305 = 113 in decimal, which is a prime.

Mathematica

Do[ If[ PrimeQ[ FromDigits[ First[ RealDigits[Pi, 6, n]], 6]], Print[n]], {n, 1, 2585} ]

Crossrefs

Cf. A004605.

Sequence in context: A306432 A303096 A324307 * A097802 A119200 A197888

Adjacent sequences: A065990 A065991 A065992 * A065994 A065995 A065996

Keyword

base,bref,nonn

Author

Robert G. Wilson v, Dec 10 2001

Status

approved