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A355250
Largest prime appearing among the "middle parts" of the partitions of n into (exactly) 3 prime parts.
0
2, 2, 3, 3, 3, 3, 5, 5, 5, 5, 7, 7, 5, 7, 7, 7, 7, 7, 11, 11, 11, 11, 13, 13, 11, 13, 13, 13, 13, 13, 17, 17, 17, 17, 19, 19, 17, 19, 19, 19, 13, 19, 23, 23, 19, 23, 19, 23, 23, 23, 23, 23, 19, 23, 29, 29, 29, 29, 31, 31, 23, 31, 29, 31, 31, 31, 29, 31, 31, 31, 37, 37, 29, 37
OFFSET
6,1
EXAMPLE
a(17) = 7; of the 4 ways to write 17 as the sum of 3 primes, 7 is the largest "middle" part: 2+2+13 = 3+3+11 = 3+7+7 = 5+5+7.
CROSSREFS
Cf. A164024.
Sequence in context: A143997 A160903 A124229 * A055377 A157524 A239496
KEYWORD
nonn
AUTHOR
Wesley Ivan Hurt, Jun 25 2022
STATUS
approved