A368914 - OEIS

A368914

a(n) = 1 if there is no prime p such that p^p divides A342001(n), otherwise 0.

0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1

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OFFSET

COMMENTS

Question: What is the asymptotic mean of this sequence?

Answer: Apparently about 0.77... See A368920. - Antti Karttunen, Jan 14 2024

LINKS

Antti Karttunen, Table of n, a(n) for n = 1..100000

Index entries for characteristic functions

FORMULA

a(1) = 0, and for n > 1, a(n) = A359550(A342001(n)).

a(n) = A368913(n) + A368915(n).

For all n >= 1, a(n) >= A368912(n).