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A097019
a(n)=sigma[A097018(n)]/p[n]=A000203[A097018(n)]/A000040(n).
0
2, 1, 3, 1, 4, 1, 4, 2, 6, 6, 1, 2, 4, 6, 6, 4, 6, 3, 6, 4, 7, 2, 4, 23, 2, 10, 6, 6, 6, 6, 1, 4, 4, 2, 10, 12, 2, 6, 10, 4, 10, 8, 22, 8, 4, 2, 2, 8, 4, 2, 16, 6, 14, 12, 12, 4, 6, 2, 12, 4, 6, 4, 1, 10, 6, 6, 2, 2, 6, 8, 10, 6, 2, 6, 2, 4, 6, 6, 22, 7, 16, 12, 4, 8, 2, 6, 6, 6, 12, 6, 4, 10, 12, 10, 2
OFFSET
1,1
EXAMPLE
n=11: a[11]=1: the quotient of the earliest number whose sigma is divisible by the 11th prime and p[11]=31.
CROSSREFS
KEYWORD
nonn
AUTHOR
Labos Elemer, Aug 23 2004
STATUS
approved