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Search: id:A068660
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A068660 Primes among the concatenation of n, (n+1) and n. +0
1
787, 9109, 111211, 131413, 333433, 373837, 394039, 414241, 474847, 575857, 596059, 616261, 697069, 717271, 777877, 798079, 818281, 838483, 101102101, 103104103, 129130129, 149150149, 181182181, 187188187, 189190189, 191192191 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Cf. A068659.

Sequence in context: A097774 A031896 A045231 this_sequence A097775 A072730 A072722

Adjacent sequences: A068657 A068658 A068659 this_sequence A068661 A068662 A068663

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Mar 01 2002

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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