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A186337 Smallest integer that can be expressed as the sum of one or more consecutive semiprimes in exactly n ways. 6
4, 10, 39, 185, 417, 589, 8351, 40181, 50809, 69195, 2614377, 4044299, 27691722, 110046335, 473061053 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..15.

EXAMPLE

a(1) =   4 = A001358(1) is the first semiprime.

a(2) =  10 = A001358(1)+A001358(2) = 4+6 = A001358(4) = 10.

a(3) =  39 = 6 + 9 + 10 + 14 = 10 + 14 + 15 = 39.

a(4) = 185 = 58 + ... + 65 = 39 + ... + 51 = 4 + ... + 33 = 185.

CROSSREFS

Cf. A001358, A112020, A186336.

Sequence in context: A302183 A149203 A038168 * A100307 A238721 A077811

Adjacent sequences:  A186334 A186335 A186336 * A186338 A186339 A186340

KEYWORD

nonn,more

AUTHOR

Alois P. Heinz, Feb 18 2011

EXTENSIONS

a(11)-a(15) from Donovan Johnson, Feb 21 2011

STATUS

approved

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Last modified August 11 23:04 EDT 2020. Contains 336434 sequences. (Running on oeis4.)