[seqfan] Conjecture on A167055 Numbers n such that 12*n + 5 is prime.

[Tw Mike]

Dear seqfans,

0, 1, 2, 3, 4, 7, 8, 9, 11, 12, 14, 16, 19, 21,... are itmes of  A167055.
I conjecture that the set of  the sum of every  two items of this seq is
the set of nonnegative Integers.i.e.:0+0=0,0+1=1,...,1+4=5,...

Further information for A167055:
A167055 nonnegative integers  that not of the following two forms:

3*x^2+(6*y−3)*x+y−1
3*x^2+(6*y−3)*x−y , x,y in Z+.

Yours mike,