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

1,1

Links

Table of n, a(n) for n=1..90.

Example

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

Crossrefs

Sequence in context: A108465 A372467 A367419 * A161606 A300362 A248145

Adjacent sequences: A069344 A069345 A069346 * A069348 A069349 A069350

Keyword

nonn

Author

Reinhard Zumkeller, Mar 18 2002

Status

approved