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Search: id:A022897
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| A022897 |
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Number of solutions to c(1)p(2)+...+c(n)p(n+1) = 0, where c(i) = +-1 for i>1, c(1) = 1, p(i) = primes. |
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+0 1
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| 0, 0, 0, 0, 0, 1, 0, 2, 0, 7, 0, 19, 0, 63, 0, 197, 0, 645, 0
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