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A088949
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(A006530[x]+A020639[x])/2 is an integer, divides x and it is not a prime number, special terms of A088948.
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2
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4, 8, 9, 16, 25, 27, 32, 49, 64, 81, 105, 121, 125, 128, 169, 231, 243, 256, 289, 315, 343, 361, 512, 525, 529, 625, 627, 693, 729, 735, 841, 897, 935, 945, 961, 1024
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