

A263581


Prime powers (p^k, p prime, k >= 1) such that k*p^k  1 is also a power of a prime.


0



2, 3, 4, 5, 8, 9, 17, 25, 49, 64, 121, 169, 257, 289, 729, 841, 1681, 1849, 3481, 5329, 11881, 12769, 16129, 18769, 24649, 32041, 32761, 38809, 39601, 44521, 59049, 63001, 65537, 69169, 76729, 85849, 96721, 124609, 134689, 143641, 167281, 175561, 187489
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