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A353488
If A276086(n) is of the form 4k+1, then a(n) = 1, otherwise a(n) = 0.
9
1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0
OFFSET
0
FORMULA
a(n) = 1 iff A353486(n) = 1, and 0 otherwise.
a(n) = A059841(n) - A353489(n).
PROG
(PARI)
A276086(n) = { my(m=1, p=2); while(n, m *= (p^(n%p)); n = n\p; p = nextprime(1+p)); (m); };
A353488(n) = (1==(A276086(n)%4));
CROSSREFS
Characteristic function of A353465.
Sequence in context: A089024 A355688 A373154 * A232991 A168553 A267636
KEYWORD
nonn,base
AUTHOR
Antti Karttunen, Apr 24 2022
STATUS
approved