A056611 Quotient: squarefree kernel of A002944(n) divided by that of A001405.

1, 1, 1, 1, 1, 3, 3, 1, 1, 5, 5, 5, 5, 7, 7, 7, 7, 21, 21, 15, 5, 55, 165, 33, 33, 143, 143, 1001, 1001, 1001, 1001, 91, 91, 221, 221, 221, 221, 323, 323, 323, 323, 2261, 2261, 24871, 24871, 572033, 572033, 81719, 81719, 24035, 24035, 312455, 312455, 85215

Offset

1,6

Links

Table of n, a(n) for n=1..54.

Formula

a(n)=A007947[A002944(n)]/A007947[A001405(n)]

Example

n=14,LCM[1,14,....,14,1]=24024,its sqf kernel is 6006; binomial[14,7]=3432,its sqf kernel is 858.a(14)=6006/858=7

Crossrefs

A002944, A001405, A007947,

Sequence in context: A046221 A220837 A187371 * A177407 A135669 A132729

Adjacent sequences: A056608 A056609 A056610 * A056612 A056613 A056614

Keyword

nonn

Author

Labos Elemer, Aug 07 2000

Status

approved