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A076168
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Primes p such that sum of squares of even-position digits equals the sum of squares of odd-position digits of p.
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0
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11, 1487, 4871, 7841, 15413, 20231, 22453, 23201, 25423, 28657, 29867, 41351, 43597, 44453, 45377, 45553, 47513, 48017, 48479, 49537, 49801, 51473, 53891, 57413, 65287, 67421, 80491, 83591, 86297, 87041, 89797, 102023, 104089, 105389
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OFFSET
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1,1
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COMMENTS
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There are 266 such primes < 10^6, the largest being 994871 -> 9^2+4^2+7^2 = 9^2+8^2+1^2 = 146.
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LINKS
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EXAMPLE
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1487 is in the sequence because 1^2+8^2 = 4^2+7^4 = 65.
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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