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Search: id:A158857
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| A158857 |
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a(n), a(n+1), a(n+2), for n=5,8,11,... are respectively the numbers of representations of the integers 2^k-2, 2^k, 2^k+2, where k=(n+4)/3, by unordered sums of two odd primes not belonging to A158848 |
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| 7, 0, 7, 7, 0, 8, 20, 0, 9, 10, 0, 23, 50, 0, 28, 42, 0, 69, 201, 0, 79, 93, 0, 216, 399, 0, 278, 445, 0, 684, 1649, 0, 630, 1008, 0, 2132, 4892, 0, 3066, 3681, 0, 6852
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