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A077969
Numbers which can be expressed as the sum of two distinct primes in exactly three ways.
7
24, 30, 34, 40, 44, 46, 52, 56, 58, 98, 122, 128
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OFFSET
1,1
LINKS
Table of n, a(n) for n=1..12.
EXAMPLE
30 is a term as 30 = 23+7 = 19+11 = 17+13 are the only three ways to express 30 as a sum of three distinct primes.
CROSSREFS
Cf. A077914 (2 ways), A078299 (4 ways), A080854 (5 ways), A080862 (6 ways).
Sequence in context: A354809 A337933 A114635 * A122181 A167758 A248693
Adjacent sequences: A077966 A077967 A077968 * A077970 A077971 A077972
KEYWORD
nonn
AUTHOR
Shyam Sunder Gupta, Mar 29 2003
STATUS
approved

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Last modified September 28 13:48 EDT 2024. Contains 376297 sequences.
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