A167283 Products of distinct isolated primes.

46, 74, 94, 106, 134, 158, 166, 178, 194, 226, 254, 262, 314, 326, 334, 346, 422, 446, 466, 502, 514, 526, 554, 586, 614, 634, 662, 674, 706, 718, 734, 746, 758, 766, 778, 794, 802, 818, 851, 878, 886, 898, 914, 934, 958, 974, 982, 998, 1006, 1018, 1081, 1082

Offset: 1

Author

Juri-Stepan Gerasimov, Nov 01 2009, Nov 02 2009

Keywords

• nonn

Comments

Numbers of the form A007510(i)*A007510(j), i <> j.

Examples

			a(50) = 1081 because 23*37 = 1081, where 23 is the 2nd non-twin prime and 37 is the 3rd non-twin prime.
		

Crossrefs

Cf. A007510, A037074, A085434.

Extensions

Definition clarified and 851 inserted by R. J. Mathar, May 21 2010