id:A052078 - OEIS Search Results

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A052078

Smallest prime formed by concatenating n consecutive decreasing numbers, 0 if no such prime exists.

+0
4

2, 43, 0, 10987, 76543, 0, 73727170696867, 4645444342414039, 0, 56555453525150494847, 219218217216215214213212211210209, 0, 25242322212019181716151413, 6059585756555453525150494847, 0 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`Terms for n>6 calculated by Carlos Rivera (crivera(AT)primepuzzles.net) and Felice Russo (felice.russo(AT)katamail.com).`
	LINKS	`C. Rivera, Prime Puzzle 78`
	CROSSREFS	`Cf. A052077, A052079, A052080.` `Sequence in context: A152286 A039622 A130506 this_sequence A069544 A085460 A139835` `Adjacent sequences: A052075 A052076 A052077 this_sequence A052079 A052080 A052081`
	KEYWORD	`nonn,base,nice`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Jan 15 2000.`

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Last modified December 5 20:25 EST 2009. Contains 170428 sequences.

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