A351847 Arithmetic mean of the distinct prime factors of A078174(n).

2, 3, 2, 5, 7, 2, 3, 11, 13, 4, 2, 17, 19, 5, 23, 5, 3, 29, 31, 2, 7, 6, 37, 8, 41, 4, 43, 4, 47, 7, 10, 53, 8, 11, 59, 61, 5, 2, 9, 67, 13, 71, 73, 4, 9, 6, 79, 3, 83, 4, 11, 16, 89, 10, 17, 12, 97, 7, 101, 103, 5, 107, 109, 6, 20, 113, 8, 14, 8, 12, 11, 22, 5, 4, 127, 2

Offset: 1

Author

Wesley Ivan Hurt, Feb 21 2022

Keywords

• nonn

Examples

			a(10) = 4; sopf(A078174(10))/omega(A078174(10)) = sopf(15)/omega(15) = (3+5)/(2) = 4.
		

Crossrefs

Cf. A001221 (omega), A008472 (sopf), A078174.

Formula

a(n) = sopf(A078174(n))/omega(A078174(n)).