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A161827 Complement of A006446. 2
5, 7, 10, 11, 13, 14, 17, 18, 19, 21, 22, 23, 26, 27, 28, 29, 31, 32, 33, 34, 37, 38, 39, 40, 41, 43, 44, 45, 46, 47, 50, 51, 52, 53, 54, 55, 57, 58, 59, 60, 61, 62, 65, 66, 67, 68, 69, 70, 71, 73, 74, 75, 76, 77, 78, 79, 82, 83, 84, 85, 86, 87, 88, 89, 91, 92, 93, 94, 95, 96, 97, 98 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The asymptotic density of this sequence is 1 (Cooper and Kennedy, 1989). - Amiram Eldar, Jul 10 2020

LINKS

Table of n, a(n) for n=1..72.

Curtis N. Cooper and Robert E. Kennedy, Chebyshev's inequality and natural density, Amer. Math. Monthly, Vol. 96, No. 2 (1989), pp. 118-124.

Omar E. Pol, Determinacion geometrica de los numeros primos y perfectos

Omar E. Pol, Divisors and pi(x)

CROSSREFS

Cf. A000005, A018253, A161205, A161344, A161345, A161424, A006446, A161828, A161835.

Sequence in context: A282391 A080760 A019470 * A063547 A064479 A056818

Adjacent sequences:  A161824 A161825 A161826 * A161828 A161829 A161830

KEYWORD

nonn,easy

AUTHOR

Omar E. Pol, Jun 21 2009, Jun 28 2009, Feb 08 2010

EXTENSIONS

More terms from N. J. A. Sloane, Feb 08 2010

STATUS

approved

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Last modified April 11 18:00 EDT 2021. Contains 342888 sequences. (Running on oeis4.)