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A158750 Concatenated triangular numbers that are prime. +0
5
13, 136101521 (list; graph; listen)
OFFSET

1,1

COMMENT

Next term, if it exists, would be very large, as there are no other primes of this form up to at least index 1600

LINKS

Eric Weisstein's World of Mathematics, Consecutive Number Sequences

CROSSREFS

Cf. A078795.

Sequence in context: A013866 A014384 A034248 this_sequence A145744 A081509 A145234

Adjacent sequences: A158747 A158748 A158749 this_sequence A158751 A158752 A158753

KEYWORD

nonn,more,bref

AUTHOR

E. W. Weisstein (eric(AT)weisstein.com), Mar 25, 2009

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Last modified December 19 21:04 EST 2009. Contains 171054 sequences.


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