A171626 Ceiling(n-th noncomposite/n).

1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5

Offset

1,4

Comments

Ceiling(A008578(n)/A000027(n)). Numerators of (A008578(n)/A000027(n)) in A171525(n), denominators of (A008578(n)/A000027(n)) in A171526(n).

Links

Table of n, a(n) for n=1..50.

Formula

a(n) = A171622(n) + 1 for n >= 4.

Crossrefs

Sequence in context: A052375 A212625 A309398 * A074279 A072750 A235037

Adjacent sequences: A171623 A171624 A171625 * A171627 A171628 A171629

Keyword

nonn

Author

Jaroslav Krizek, Dec 13 2009

Extensions

Corrected by Jaroslav Krizek, Dec 16 2009

Status

approved