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A352305 a(n) is the (conjectured) largest even number that can be expressed as the sum of two distinct primes in exactly n ways.

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%I A352305 #8 Dec 18 2024 09:26:14
%S A352305 6,38,68,128,158,188,398,362,458,542,632,692,602,992,808,908,1112,
%T A352305 1238,1412,1418,1718,1544,1574,1622,1682,2048,2252,2018,2672,2042,
%U A352305 2558,2936,2504,2978,2966,3092,3218,3242,3272,3506,3632,3754,4022,4058,4052,4412,4448,4478
%N A352305 a(n) is the (conjectured) largest even number that can be expressed as the sum of two distinct primes in exactly n ways.
%e A352305 a(5) = 188 because 188 = 7 + 181 = 31 + 157 = 37 + 151 = 61 + 127 = 79 + 109 and it is conjectured that 188 is the last term of A080854.
%Y A352305 Cf. A000954, A038609, A061357, A077914, A077969, A078299, A080854, A080862, A087747, A117929, A212613.
%K A352305 nonn
%O A352305 0,1
%A A352305 _Ilya Gutkovskiy_, Mar 11 2022
%E A352305 More terms from _Hugo Pfoertner_, Dec 18 2024