A088185 Numbers which are not the sum of two coprime semiprimes.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 20, 21, 22, 24, 26, 27, 28, 30, 32, 33, 36, 38, 40, 42, 45, 48, 50, 52, 54, 56, 60, 62, 66, 70, 72, 78, 80, 84, 90, 96, 105, 108, 110, 120, 126, 132, 138, 140, 150, 180, 210

Offset

1,2

Comments

A088183(a(n))=0; complement of A088184;

is this sequence finite/full? See conjecture in A072966.

Links

Table of n, a(n) for n=1..58.

Crossrefs

Cf. A072966, A001358.

Sequence in context: A244511 A014157 A026467 * A118844 A379808 A247755

Adjacent sequences: A088182 A088183 A088184 * A088186 A088187 A088188

Keyword

nonn

Author

Reinhard Zumkeller, Sep 22 2003

Status

approved