A116451 Numbers having fewer prime factors than at least one smaller number.

5, 7, 9, 10, 11, 13, 14, 15, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 28, 29, 30, 31, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82

Offset: 0

Author

Reinhard Zumkeller, Feb 16 2006

Keywords

• nonn

Comments

Complement of A029744.

Numbers whose odd part is greater than 3. - Peter Munn, Aug 12 2020

Crossrefs

Cf. A029744, A116452, A001222.

Formula

A116452(n) = A001222(a(n)).

Extensions

The offset should really be 1, since this is a list, but that change would also require a complete rewrite of A116454, plus changes to A116453. So for the moment let's leave this with offset 0. - N. J. A. Sloane, Aug 17 2020