A137700 Smallest k such that the k-th prime has exactly n distinct representations as arithmetic mean of two primes.

1, 3, 5, 7, 12, 16, 24, 20, 26, 41, 33, 44, 51, 55, 54, 79, 64, 74, 69, 88, 121, 92, 101, 109, 113, 116, 124, 155, 152, 137, 144, 140, 160, 174, 165, 209, 197, 195, 201, 200, 206, 218, 251, 238, 229, 239, 230, 244, 236, 267, 295, 281, 299, 301, 307, 312, 313, 325

Offset: 0

Author

Reinhard Zumkeller, Feb 07 2008

Keywords

• nonn

Comments

A071681(a(n))=n and A071681(m)<>n for mA000040(a(n))=A126204(n).

Extensions

Corrected description suggested by Zak Seidov, May 16 2008