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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.
1
6, 38, 68, 128, 158, 188, 398, 362, 458, 542, 632, 692, 602, 992, 808, 908, 1112, 1238, 1412, 1418, 1718, 1544, 1574, 1622, 1682, 2048, 2252, 2018, 2672, 2042, 2558, 2936, 2504, 2978, 2966, 3092, 3218, 3242, 3272, 3506, 3632
OFFSET
0,1
EXAMPLE
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.
KEYWORD
nonn
AUTHOR
Ilya Gutkovskiy, Mar 11 2022
STATUS
approved