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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. 4
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified April 7 03:42 EDT 2020. Contains 333292 sequences. (Running on oeis4.)