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Search: id:A158855
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| A158855 |
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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 A158847 |
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| 2, 0, 2, 5, 0, 4, 6, 0, 7, 18, 0, 8, 10, 0, 23, 51, 0, 25, 43, 0, 68, 206, 0, 79, 93, 0, 214, 397, 0, 280, 445, 0, 684, 1650, 0, 630, 1008, 0, 2136, 4894, 0, 3065, 3682, 0, 6853
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