References to A180026

a(n) is the number of arrangements of all divisors of n of the form d_1=n, d_2, d_3,...,d_tau(n) such that every ratio d_(i+1)/d_i and d_tau(n)/d_1 is prime or 1/prime
0, 1, 1, 0, 1, 2, 1, 0, 0, 2, 1, 2, 1, 2, 2, 0, 1, 2, 1, 2, 2, 2, 1, 2, 0, 2, 0, 2, 1, 12, 1, 0, 2, 2

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