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Search: id:A158853
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| A158853 |
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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 A158846 |
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| 2, 0, 3, 1, 0, 1, 5, 0, 3, 6, 0, 7, 18, 0, 8, 10, 0, 21, 50, 0, 26, 43, 0, 67, 204, 0, 79, 93, 0, 213, 398, 0, 279, 445, 0, 684, 1649, 0, 630, 1008, 0, 2135, 4890, 0, 3063, 3681, 0, 6852
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