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Search: id:A088056
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| A088056 |
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a(1)= 3, a(n) = least prime obtained by prefixing the digits of a multiple of n to a(n-1). |
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+0
2
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| 3, 23, 1223, 81223, 2581223, 62581223, 1462581223, 1601462581223, 1081601462581223, 601081601462581223, 231601081601462581223, 36231601081601462581223, 7836231601081601462581223
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OFFSET
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1,1
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COMMENT
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Digits of a(n) can be partitioned from (least siginifacnt one) right to left into multiples of 1 to n. a(6) = 62581223 ===> 6, 25, 8, 12, 2, 3.
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EXAMPLE
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a(3) = 1223 and a(4) = 81223 is obtained by prefixing 8 to 1223.
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CROSSREFS
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Cf. A088057.
Sequence in context: A013393 A013390 A144986 this_sequence A009593 A009818 A166315
Adjacent sequences: A088053 A088054 A088055 this_sequence A088057 A088058 A088059
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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), Sep 21 2003
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EXTENSIONS
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More terms from Sam Alexander (amnalexander(AT)yahoo.com), Feb 27 2004
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