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A152483
Even numbers which are not the sum of 2 odd semiprimes.
2
2, 4, 6, 8, 10, 12, 14, 16, 20, 22, 26, 28, 32, 38, 52, 62
OFFSET
1,1
COMMENTS
No more terms < 10^9. Conjectured to be complete.
EXAMPLE
62 is in this sequence because no 2 odd semiprimes sum to 62. 64 is not in this sequence because the sum of 9 (odd semiprime) and 55 (odd semiprime) is 64.
CROSSREFS
KEYWORD
fini,nonn
AUTHOR
Donovan Johnson, Dec 06 2008
STATUS
approved