A048684 Multiplicity of maximal squarefree kernel numbers applied to C(n,k) coefficients.

2, 1, 2, 1, 2, 2, 2, 1, 4, 2, 2, 1, 2, 2, 2, 1, 2, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 1, 4, 2, 2, 1, 2, 2, 2, 1, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2

Offset

1,1

Links

Table of n, a(n) for n=1..105.

Example

for n=8, 9 or 10 the spectra of squarefree maximal divisors are {1,2,14,14,70,14,14,2,1},{1,3,6,42,42,42,42,6,3,1} and {1,10,15,30,210,42,30,15,10,1} resp. The maxima (70,42 and 210) occur 1,4 or 4 times. So a(8)=1,a(9)=4 and a(10)=2.

Crossrefs

A007947, A020233, A020738, A001221, A001222, A000005.

Sequence in context: A115751 A324888 A249145 * A191613 A298642 A243404

Adjacent sequences: A048681 A048682 A048683 * A048685 A048686 A048687

Keyword

nonn

Author

Labos Elemer

Status

approved