A265438 Smallest semiprime that is the sum of n consecutive semiprimes.

4, 10, 25, 39, 69, 58, 133, 122, 249, 209, 185, 219, 254, 327, 458, 377, 473, 579, 745, 589, 951, 898, 1047, 843, 917, 1382, 1157, 1243, 1247, 1678, 1514, 1895, 1703, 1707, 2138, 2147, 2599, 2157, 2509, 2515, 2519, 2642, 2771, 3566, 4126, 3317, 3599, 3891, 4198, 3755, 4369, 4223, 4227

Offset

1,1

Comments

The sequence is non-monotonic. But are all the terms distinct?

A092190 is a subsequence. More precisely, a(A092189(k)) = A092190(k). - Altug Alkan, Dec 13 2015

Links

Zak Seidov, Table of n, a(n) for n = 1..1000

Example

a(1) = 4 = A001358(1),
a(2) = 10 = A001358(3) = A092192(1) = A001358(1)+A001358(2) = 4+6,
a(3) = 25 = A001358(9) = A131610(1),
a(4) = 39 = A001358(15) = A158339(1),
a(5) = 69 = A001358(24) = A254712(1),
a(6) = 58 = A001358(21) = A266451(1).

Crossrefs

Cf. A001358, A092190, A092192, A131610, A158339, A254712.

Sequence in context: A107961 A051864 A111153 * A145368 A266826 A111207

Adjacent sequences: A265435 A265436 A265437 * A265439 A265440 A265441

Keyword

nonn

Author

Zak Seidov, Dec 09 2015

Status

approved