A284277 Primitive terms of A216072.

276, 564, 660, 966, 1074, 1134, 1464, 1476, 1488, 1512, 1560, 1578, 1632, 1734, 1920, 1992, 2232, 2340, 2360, 2514, 2664, 2712, 2982, 3270, 3366, 3408, 3432, 3564, 3678, 3774, 3876, 3906, 4116, 4224, 4290, 4350, 4380, 4788, 4800, 4842

Offset: 1

Author

Sergey Pavlov, Mar 24 2017

Keywords

• nonn
• more

Comments

In other words, such terms of A216072 that cannot be written as k*t where k is an integer, k > 1, t is a term of A216072.

Examples

			Since 276 is the first term of A216072, the number is in the sequence. But A216072(2) = 552 is not, because A216072(2) = 2 * A216072(1) = 2 * 276.
		

Crossrefs

Cf. A216072.