116664

Appears in sequences

• Sets of 4 numbers in arithmetic progression with common difference 6 and whose phi values are equal.at n=19A039670
• O.g.f. A(x) satisfies: 0 = [x^n] exp( n*(n-1) * x * A(x) ) / A(x), for n > 1, with A'(0) = 2.at n=5A305598