OFFSET
1,2
FORMULA
a(n) = Product_{i=1..n} A066570(i).
PROG
(Magma) [1] cat [&*[&*[h: h in [2..k] | GCD(h, k) ne 1]: k in [2..n]]: n in [2..100]]
CROSSREFS
KEYWORD
nonn
AUTHOR
Jaroslav Krizek, Jan 19 2017
STATUS
approved