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
Keywords
Links
- Amiram Eldar, Table of n, a(n) for n = 1..2512
Formula
a(n) = sqrt(A031162(n)). - Amiram Eldar, Nov 15 2019
Extensions
Offset corrected by Amiram Eldar, Nov 15 2019