A206642 Non-palindromes whose squares are in A066531.
660, 2520, 4030, 5040, 6600, 8160, 25200, 27720, 32670, 40300, 43560, 50400, 66000, 81600, 205020, 229320, 236320, 254520, 269620, 277200, 279720, 310030, 326700, 329670, 351430, 410040, 435600, 439560, 458640, 483840, 486160
Offset: 1
Examples
660 is in the sequence because 660^2 = 528*825 = 6600*0066; 2520 is in the sequence because 2520^2 = 14400*00441 = 25200*00252 = 44100*00144; etc.
Links
- Shyam Sunder Gupta, EPRNs
Extensions
Edited by N. J. A. Sloane, Aug 01 2019