A176098 a(n) = prime(n) times the n-th nonnegative noncomposite.

0, 3, 10, 21, 55, 91, 187, 247, 391, 551, 713, 1073, 1271, 1591, 1927, 2279, 2773, 3233, 3953, 4331, 4891, 5609, 6059, 7031, 8051, 8989, 9991, 10807, 11227, 12091, 13843, 14803, 17399, 18209, 20413, 20989, 23393, 24613, 26219, 28199, 29893, 31313

Offset: 1

Author

Juri-Stepan Gerasimov, Apr 08 2010

Keywords

• nonn
• less

Examples

			a(5) = prime(5)*(nonnegative noncomposite(5)) = 11*5 = 55.
		

Crossrefs

Cf. A000040, A158611.

Essentially the same as A090076.

Formula

a(n) = A000040(n)*A158611(n).

Extensions

Entries checked by R. J. Mathar, Apr 16 2010