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

1,1

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).

Links

Table of n, a(n) for n=1..70.

Crossrefs

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

Sequence in context: A078640 A006374 A193677 * A137921 A064876 A262689

Adjacent sequences: A281852 A281853 A281854 * A281856 A281857 A281858

Keyword

nonn,more

Author

Wolfdieter Lang, Mar 03 2017

Status

approved