A069347 Number of ways to represent primes as A069346(n)=k-A001222(k).

2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 3, 1, 1, 2, 1, 2, 1, 2, 2, 2, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 2, 1, 2, 3, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 1, 2, 1, 1, 4, 1, 3, 2, 2, 1, 1, 1, 1, 2, 1, 3, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1

Offset: 1

Author

Reinhard Zumkeller, Mar 18 2002

Keywords

• nonn

Examples

			a(12)=2 as: A069346(12)=47=A069345(49)=A069345(50)
47=7*7-2 and 47=5*5*2-3.