A096076 Not the sum of two relatively prime composite numbers.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 26, 27, 28, 30, 32, 36, 38, 40, 42, 45, 48, 50, 54, 56, 60, 66, 70, 72, 78, 80, 84, 90, 96, 105, 108, 110, 120, 126, 132, 138, 140, 150, 180, 210

Offset: 0

Author

Franklin T. Adams-Watters, Jul 22 2004

Keywords

• nonn
• fini
• full

Comments

Max Alekseyev showed that this sequence is finite; proof completed by several people to show that the list is complete.

Examples

			13 is not in the set because 13 = 4 + 9. 15 = 6 + 9 does not prevent 15 from being in the set because gcd(6,9) = 3.