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Search: id:A159063
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| A159063 |
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a(1)=0, a(n+1) is the smallest nonprime >= n^smallest digit of a(n). |
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+0
1
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| 0, 1, 4, 81, 4, 625, 36, 343, 512, 9, 1000000000, 1, 12, 14, 14, 15, 16, 18, 18, 20, 1, 21, 22, 529, 576, 9765625, 676, 387420489, 1, 30, 1, 32, 1024, 1, 34, 42875, 1296, 38, 54872, 1521, 40, 1, 42, 1849, 44, 4100625, 1, 48, 5308416, 1, 50, 1, 52, 2809, 1, 55
(list; graph; listen)
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OFFSET
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1,3
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EXAMPLE
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0, 1(=1^0), 4(>2^1), 81(=3^4), 4(=4^1), 625(=5^4), 36(=6^2), 343(=7^3), 512(=8^3), 9(=9^1), 1000000000(=10^9), 1(=11^0), 12(=12^1), 14(>13=13^1), 14(=14^1), 15(=15^1)
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CROSSREFS
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Cf. A000027, A141468, A156615.
Adjacent sequences: A159060 A159061 A159062 this_sequence A159064 A159065 A159066
Sequence in context: A000316 A012106 A116189 this_sequence A072363 A053901 A017006
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KEYWORD
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nonn,base
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AUTHOR
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Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Mar 12 2009
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EXTENSIONS
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a(21) inserted and terms from a(28) on corrected by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Mar 17 2009
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