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A360125 Parity of A359425, where A359425 is Dirichlet convolution of the arithmetic derivative with the primorial base exp-function. 5
0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET
1
LINKS
Antti Karttunen, Table of n, a(n) for n = 1..30030
Index entries for characteristic functions
Index entries for sequences related to primorial base
FORMULA
a(n) = A000035(A359425(n)).
PROG
(PARI) A360125(n) = (A359425(n)%2);
CROSSREFS
Characteristic function of A360127, whose complement A360126 gives the positions of 0's.
Cf. A000035, A003415, A276086, A359425.
Cf. also A360122, A360123.
Sequence in context: A174898 A099618 A361496 * A324883 A106002 A341612
Adjacent sequences: A360122 A360123 A360124 * A360126 A360127 A360128
KEYWORD
nonn
AUTHOR
Antti Karttunen, Feb 19 2023
STATUS
approved

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Last modified August 29 06:09 EDT 2024. Contains 375510 sequences. (Running on oeis4.)