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Sums of two coprime positive cubes that are also sums of two coprime positive fifth powers.
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2, 32769, 14348908, 14381675, 1073741825, 1088090731, 30517578126, 30517610893, 30531927032, 31591319949, 43977108474, 470184984577, 500702562701, 4747561509944, 4747561542711, 4747575858850, 4748635251767, 4778079088068, 5217746494519
COMMENTS
Every term greater than 2 has at least one prime factor of the form 30*k + 1 and therefore is in A228541.
Numbers m such that abs(Sum_{k=1..m} [k|m]* A008683(k)*(-1)^(2*k/5)) = 0.
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11, 22, 31, 33, 41, 44, 55, 61, 62, 66, 71, 77, 82, 88, 93, 99, 101, 110, 121, 122, 123, 124, 131, 132, 142, 143, 151, 154, 155, 164, 165, 176, 181, 183, 186, 187, 191, 198, 202, 205, 209, 211, 213, 217, 220, 231, 241, 242, 244, 246, 248, 251, 253, 262, 264, 271
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