A281855 Number of cyclic group factors in the total decomposition of the abelian non-cyclic group (Z/A033949(n) Z)^x. Row lengths of A281854.

2, 2, 2, 2, 2, 3, 3, 3, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 3, 3, 4, 3, 3, 4, 2, 3, 3, 2, 3, 3, 4, 3, 3, 4, 3, 3, 4, 2, 3, 4, 3, 4, 3, 4, 3, 3, 4, 3, 2, 4, 4, 3, 3, 3, 4, 3, 3, 3, 4, 3, 4, 3, 4, 4, 4, 2, 4, 3

Offset: 1

Author

Wolfdieter Lang, Mar 03 2017

Keywords

• nonn
• more

Comments

See A281854.

Compare this with A046072(A033949(n)). In A046072 the decompositions used are not total, e.g., n = 6 with A033949(6) = 1 uses C_6, but C_6 = C_2 x C_3. Or, 21 = A033949(6), A046072(21) = 2 not 3 = a(6).

Crossrefs

Cf. A033949, A046072, A281854, A282623, A282624, A282625.