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A140955 Even integers that cannot be expressed as two distinct sums of two primes. 0
0, 2, 4, 6, 8, 10, 12, 14, 38 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..8.

EXAMPLE

a(5)=8 because 3+5 is the only sum of primes = 8.

16 is not in the sequence because 16 = 3+13 and 5+11.

CROSSREFS

Sequence in context: A194372 A058218 A264986 * A111905 A255385 A187412

Adjacent sequences:  A140952 A140953 A140954 * A140956 A140957 A140958

KEYWORD

fini,full,nonn

AUTHOR

Gil Broussard, Jul 25 2008

STATUS

approved

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Last modified June 18 08:52 EDT 2021. Contains 345098 sequences. (Running on oeis4.)