A078460 Initial n digits in decimal portion of the Traveling Salesman constant (A073008) form a prime number.

1, 2, 20, 26, 351, 425, 696

Offset

1,2

Comments

a(5), a(6) and a(7) certified prime with Primo.

Links

Table of n, a(n) for n=1..7.

Example

a(2)=2 since 71 is prime.

Crossrefs

Cf. A073008.

Sequence in context: A154546 A108342 A136903 * A059208 A268742 A261460

Adjacent sequences: A078457 A078458 A078459 * A078461 A078462 A078463

Keyword

more,nonn,base

Author

Jason Earls, Dec 31 2002

Status

approved