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Search: id:A089318
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| A089318 |
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Smallest prime of the form an n-th power followed by digit 1. |
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+0
2
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| 41, 271, 811, 77761, 641, 21871, 16796161, 196831, 259374246011, 19773267431, 40961, 9688901040700000000000001, 163841, 1368800680154120519681, 1214395310965942517761, 58744031063604200188795536431, 3874204891
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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a(4) = 811 is the prime which is the concatenation of 3^4 and 1. 161 is not a prime.
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CROSSREFS
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Cf. A089319.
Sequence in context: A142113 A020866 A142690 this_sequence A142768 A140013 A167741
Adjacent sequences: A089315 A089316 A089317 this_sequence A089319 A089320 A089321
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KEYWORD
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base,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 03 2003
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EXTENSIONS
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More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Sep 09 2005
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