A031163 Square roots of numbers that are both lucky and square.

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

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 A333541 A152820

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