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A280713
Partial sums of A055067 where A055067(n) is the product of non-divisors of n.
1
1, 2, 4, 7, 31, 51, 771, 1401, 14841, 51129, 3679929, 3957129, 482958729, 927745929, 6739632009, 27172044009, 20949961932009, 22047762636009, 6424421468364009, 6728534219386089, 122581010799226089, 2444896564058746089, 1126445624341666426089
OFFSET
1,2
COMMENTS
A055067(n) = the product of non-divisors of n.
FORMULA
a(n) = Sum_{i=1..n} A055067(i).
PROG
(Magma) [&+[Factorial(k) / &*[d: d in Divisors(k): k in [1..n]]: n in [1..100]]
CROSSREFS
Sequence in context: A102123 A102125 A102124 * A233868 A295125 A082537
KEYWORD
nonn
AUTHOR
Jaroslav Krizek, Jan 07 2017
STATUS
approved