A152484 Odd numbers which are not the sum of an even semiprime and an odd semiprime.

1, 3, 5, 7, 9, 11, 17, 33

Offset: 1

Author

Donovan Johnson, Dec 06 2008

Keywords

• fini
• nonn

Comments

No more terms < 10^9. Conjectured to be complete.

Examples

			33 is in this sequence because no even semiprime and odd semiprime sum to 33. 35 is not in this sequence because the sum of 10 (even semiprime) and 25 (odd semiprime) is 35.
		

Crossrefs

Cf. A001358, A046315, A100484, A152482, A152483.