A100929 Sophie Germain primes multiplied by a safe primes.

10, 14, 15, 21, 22, 25, 33, 35, 46, 55, 69, 77, 94, 115, 118, 121, 141, 145, 161, 166, 177, 203, 205, 214, 235, 249, 253, 265, 287, 295, 319, 321, 334, 358, 371, 415, 445, 451, 454, 501, 517, 526, 529, 535, 537, 565, 581, 583, 623, 649, 655, 667, 681, 694, 718

Offset: 1

Author

Reinhard Zumkeller, Nov 22 2004

Keywords

• nonn

Comments

a(n) = A005385(i) * A005384(j) for some i, j;

subsequence of A001358.

Links

• Eric Weisstein's World of Mathematics, Sophie Germain Prime
• Eric Weisstein's World of Mathematics, Semiprime

Crossrefs

Cf. A100930.