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A296205 Numbers n such that Product_{d|n^2, gcd(d,n^2/d) is prime} gcd(d,n^2/d) = n^2. 1
1, 6, 10, 12, 14, 15, 18, 20, 21, 22, 26, 28, 33, 34, 35, 36, 38, 39, 44, 45, 46, 50, 51, 52, 55, 57, 58, 62, 63, 65, 68, 69, 74, 75, 76, 77, 82, 85, 86, 87, 91, 92, 93, 94, 95, 98, 99, 100, 106, 111, 115, 116, 117, 118, 119, 122, 123, 124, 129, 133, 134, 141, 142, 143, 145, 146, 147, 148, 153, 155, 158, 159, 161 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..73.

FORMULA

a(n) = A000196(A296204(n)).

CROSSREFS

Cf. A000196, A295666, A296204.

Cf. A006881, A054753, A085986 (seem to be subsequences).

Sequence in context: A084227 A299992 A237051 * A100658 A182301 A069059

Adjacent sequences:  A296202 A296203 A296204 * A296206 A296207 A296208

KEYWORD

nonn

AUTHOR

Antti Karttunen, Dec 18 2017

STATUS

approved

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Last modified March 20 13:18 EDT 2019. Contains 321345 sequences. (Running on oeis4.)