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A152482 Even numbers which are not the sum of 2 even semiprimes. 2
2, 4, 6, 22, 34, 46, 54, 58, 70, 74, 82, 94, 102, 106, 114, 118, 130, 134, 142, 154, 158, 166, 174, 178, 186, 190, 194, 202, 214, 226, 234, 238, 242, 246, 250, 254, 262, 270, 274, 286, 290, 294, 298, 310, 314, 322, 326, 334, 342, 346, 354, 358, 370, 374, 378 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Twice A014092. [From Omar E. Pol, Dec 26 2008]

LINKS

Table of n, a(n) for n=1..55.

FORMULA

a(n) = A014092(n)*2. [From Omar E. Pol, Dec 26 2008]

EXAMPLE

102 is in this sequence because no 2 even semiprimes sum to 102. 104 is not in this sequence because the sum of 10 (even semiprime) and 94 (even semiprime) is 104.

CROSSREFS

Cf. A001358, A100484, A152483, A152484.

Cf. A014092. [From Omar E. Pol, Dec 26 2008]

Sequence in context: A326363 A273522 A227626 * A045960 A028988 A172451

Adjacent sequences:  A152479 A152480 A152481 * A152483 A152484 A152485

KEYWORD

nonn

AUTHOR

Donovan Johnson, Dec 06 2008

STATUS

approved

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Last modified May 13 08:04 EDT 2021. Contains 343836 sequences. (Running on oeis4.)