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A155949
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Numbers p with property that p and 5 iterations of f(p) all are primes, where f(p)=p^2+p+41.
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0
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16355881, 109909799, 156177433, 167667607, 169177649, 196805633, 320142863, 428366489, 610038257, 644062919, 1103804483, 1164167891, 1184418737, 1493813903, 1541169463, 1882406467, 1956211891, 2018075911, 2248153673
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