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A097373
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Numbers n such that there are no primes in a sequence formed from the t digits of n where the latter terms are given by rule b(i)=sum of t previous terms and the primes are counted from initial t digits up to the largest term < n^2; where zeros are located in A098598.
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0
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40, 44, 46, 48, 60, 64, 66, 68, 69, 80, 84, 86, 88, 90, 96, 99, 194, 400, 404, 406, 408, 440, 444, 446, 448, 460, 464, 466, 468, 480, 484, 486, 488, 600, 604, 606, 608, 609, 640, 644, 646, 648, 660, 664, 666, 668, 669, 680, 684, 686, 688, 690, 696, 699, 800
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OFFSET
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1,1
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LINKS
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EXAMPLE
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194 is in the sequence because 1, 9, 4, 14, 27, 45, 86, 158, 289, 533, 980, 1802, 3315, 6097, 11214, 20626 contains no primes.
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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STATUS
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approved
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