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A100929
Sophie Germain primes multiplied by a safe primes.
1
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
1,1
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.
Sequence in context: A172509 A036338 A108793 * A307980 A366413 A367018
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Nov 22 2004
STATUS
approved