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A351847 Arithmetic mean of the distinct prime factors of A078174(n). 0
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..76.

FORMULA

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

EXAMPLE

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

CROSSREFS

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

Sequence in context: A192138 A175264 A025473 * A192141 A092556 A347000

Adjacent sequences: A351844 A351845 A351846 * A351848 A351849 A351850

KEYWORD

nonn

AUTHOR

Wesley Ivan Hurt, Feb 21 2022

STATUS

approved

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Last modified January 29 11:06 EST 2023. Contains 359922 sequences. (Running on oeis4.)