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 A324908 a(n) = 1 if n is an odd number which is not a square, 0 otherwise. 2
 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 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, 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, 1, 0, 1, 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 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1 COMMENTS Characteristic function of A088828. LINKS Antti Karttunen, Table of n, a(n) for n = 1..65537 FORMULA a(n) = A000035(n)*(1-A010052(n)). a(n) = A007814(1+A318458(n)). MATHEMATICA Array[Boole@ And[OddQ@ #, ! IntegerQ@ Sqrt@ #] &, 105] (* Michael De Vlieger, Mar 30 2019 *) PROG (PARI) A324908(n) = ((n%2)&&!issquare(n)); CROSSREFS Cf. A000035, A007814, A010052, A088828, A318458, A324906. Sequence in context: A337802 A257531 A151763 * A022925 A327211 A144607 Adjacent sequences:  A324905 A324906 A324907 * A324909 A324910 A324911 KEYWORD nonn AUTHOR Antti Karttunen, Mar 28 2019 STATUS approved

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Last modified July 26 16:44 EDT 2021. Contains 346294 sequences. (Running on oeis4.)