The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A028567 Numbers n such that n(n+8) is a palindrome. 0
 0, 1, 3, 66, 88, 91, 173, 216, 225, 284, 294, 696, 707, 924, 2235, 2828, 6996, 9394, 28314, 30031, 57489, 69996, 93844, 188583, 228175, 241097, 283778, 298144, 597883, 699996, 896478, 1934063, 2281817, 6999996, 7243225 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS P. De Geest, Palindromic Quasipronics of the form n(n+x) Erich Friedman, What's Special About This Number? (See entries 696, 2235, 2828, 6996, 9394.) MATHEMATICA Select[Range[0, 8*10^6], PalindromeQ[#(#+8)]&] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, May 28 2017 *) CROSSREFS Sequence in context: A065400 A306410 A091470 * A003359 A292064 A256151 Adjacent sequences:  A028564 A028565 A028566 * A028568 A028569 A028570 KEYWORD nonn,base AUTHOR STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified October 21 16:40 EDT 2020. Contains 337918 sequences. (Running on oeis4.)