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A233182 Numbers that are not the product of a prime and a square. 1
1, 4, 6, 9, 10, 14, 15, 16, 21, 22, 24, 25, 26, 30, 33, 34, 35, 36, 38, 39, 40, 42, 46, 49, 51, 54, 55, 56, 57, 58, 60, 62, 64, 65, 66, 69, 70, 74, 77, 78, 81, 82, 84, 85, 86, 87, 88, 90, 91, 93, 94, 95, 96, 100, 102, 104, 105, 106, 110, 111, 114, 115, 118, 119, 120, 121, 122, 123, 126 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Numbers that are not of the form p*q^2, with p prime, q any integer.

LINKS

Charles R Greathouse IV, Table of n, a(n) for n = 1..10000

PROG

(PARI) is(n)=!isprime(core(n)) \\ Charles R Greathouse IV, Dec 05 2013

CROSSREFS

Complement of A229125.

Sequence in context: A010428 A189300 A300079 * A028260 A085155 A219786

Adjacent sequences:  A233179 A233180 A233181 * A233183 A233184 A233185

KEYWORD

nonn

AUTHOR

Juri-Stepan Gerasimov, Dec 05 2013

EXTENSIONS

Terms corrected by Charles R Greathouse IV, Dec 05 2013

STATUS

approved

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Last modified October 26 05:58 EDT 2021. Contains 348257 sequences. (Running on oeis4.)