A075344 Number of primes between consecutive terms of A075343 (excluding endpoints).

2, 1, 2, 2, 1, 1, 2, 1, 3, 4, 2, 5, 2, 3, 3, 3, 5, 4, 4, 6, 2, 3, 4, 5, 5, 6, 6, 5, 3, 6, 7, 7, 5, 6, 5, 7, 7, 4, 6, 8, 8, 8, 5, 7, 5, 11, 4, 7, 11, 7, 11, 6, 8, 8, 6, 9, 8, 7, 10, 6, 10, 10, 11, 7, 8, 7, 15, 11, 8, 9, 9, 9, 9, 8, 14, 11, 12, 11, 12, 10, 14, 10, 10, 10, 14, 10, 11, 12, 12, 14, 7, 18

Offset

1,1

Comments

Conjecture: a(n) > 0 for all n.

Links

Table of n, a(n) for n=1..92.

Formula

a(n) = A075343(n+1)-A075343(n)-n-1. - David Wasserman, Jan 16 2005

Prog

(PARI) i = 1; for (n = 1, 105, p = 0; for (j = 1, n, i++; while (isprime(i), p++; i++)); i++; print1(p, " ")) \\ David Wasserman, Jan 16 2005

Crossrefs

Cf. A075343.

Sequence in context: A074292 A156257 A097867 * A144083 A332292 A054350

Adjacent sequences: A075341 A075342 A075343 * A075345 A075346 A075347

Keyword

nonn

Author

Amarnath Murthy, Sep 18 2002

Extensions

More terms from David Wasserman, Jan 16 2005

Status

approved