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A078460 Initial n digits in decimal portion of the Traveling Salesman constant (A073008) form a prime number. +0
1
1, 2, 20, 26, 351, 425, 696 (list; graph; listen)
OFFSET

1,2

COMMENT

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

EXAMPLE

a(2)=2 since 71 is prime.

CROSSREFS

Cf. A073008.

Adjacent sequences: A078457 A078458 A078459 this_sequence A078461 A078462 A078463

Sequence in context: A108061 A108342 A136903 this_sequence A059208 A061471 A112271

KEYWORD

more,nonn,base

AUTHOR

Jason Earls (zevi_35711(AT)yahoo.com), Dec 31 2002

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Last modified October 11 09:12 EDT 2008. Contains 144832 sequences.


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