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A031163 Square roots of numbers that are both lucky and square. 2
1, 3, 5, 7, 13, 17, 19, 23, 27, 29, 31, 37, 47, 59, 61, 63, 69, 71, 89, 97, 99, 103, 111, 123, 133, 143, 147, 155, 157, 179, 181, 189, 191, 205, 207, 209, 225, 229, 231, 255, 257, 271, 275, 279, 289, 295, 301, 315, 333, 337, 349, 355, 359, 361, 377, 399 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Amiram Eldar, Table of n, a(n) for n = 1..2512

FORMULA

a(n) = sqrt(A031162(n)). - Amiram Eldar, Nov 15 2019

CROSSREFS

Cf. A000959, A031162.

Sequence in context: A008996 A261089 A264988 * A106119 A152820 A023208

Adjacent sequences:  A031160 A031161 A031162 * A031164 A031165 A031166

KEYWORD

nonn

AUTHOR

Patrick De Geest

EXTENSIONS

Offset corrected by Amiram Eldar, Nov 15 2019

STATUS

approved

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Last modified January 24 07:18 EST 2020. Contains 331189 sequences. (Running on oeis4.)