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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..40.

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.

CROSSREFS

Cf. A000954, A038609, A061357, A077914, A077969, A078299, A080854, A080862, A087747, A117929, A212613.

Sequence in context: A039293 A055713 A216384 * A060454 A060452 A229620

Adjacent sequences:  A352302 A352303 A352304 * A352306 A352307 A352308

KEYWORD

nonn

AUTHOR

Ilya Gutkovskiy, Mar 11 2022

STATUS

approved

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Last modified August 9 04:41 EDT 2022. Contains 356016 sequences. (Running on oeis4.)