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A080854 Numbers which can be expressed as the sum of two distinct primes in exactly five ways. 7
48, 54, 64, 70, 76, 104, 106, 118, 124, 134, 136, 146, 148, 164, 166, 188 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Apparently there are no further terms beyond 188. - R. J. Mathar, Oct 01 2021
LINKS
FORMULA
{j: A117929(j) = 5} . - R. J. Mathar, Oct 01 2021
EXAMPLE
54 is a term as 54 = 31 + 23 = 37 + 17 = 41 + 13 = 43 + 11 = 47 + 7 are only the five ways to express 54 as a sum of two distinct primes.
CROSSREFS
Cf. A077914 (2 ways), A077969 (3 ways), A078299 (4 ways), A080862 (6 ways).
Sequence in context: A258694 A328738 A067191 * A255267 A366250 A345503
KEYWORD
nonn
AUTHOR
Shyam Sunder Gupta, Mar 29 2003
STATUS
approved

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Last modified June 24 13:56 EDT 2024. Contains 373679 sequences. (Running on oeis4.)