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

Author

Reinhard Zumkeller, Sep 22 2003

Keywords

• nonn

Comments

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

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

Crossrefs

Cf. A072966, A001358.