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

1,1

Comments

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

Links

Table of n, a(n) for n=1..52.

Example

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.

Sequence in context: A103381 A101577 A051413 * A085434 A245372 A020351

Adjacent sequences: A167280 A167281 A167282 * A167284 A167285 A167286

Keyword

nonn

Author

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

Extensions

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

Status

approved