This site is supported by donations to The OEIS Foundation.

 Annual Appeal: Please make a donation to keep the OEIS running. In 2018 we replaced the server with a faster one, added 20000 new sequences, and reached 7000 citations (often saying "discovered thanks to the OEIS"). Other ways to donate

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A029997 Squares which are palindromes in base 11. 9
 0, 1, 4, 9, 36, 144, 576, 676, 5184, 7056, 14884, 17689, 20736, 59536, 65025, 77841, 145924, 535824, 1774224, 2143296, 2547216, 5827396, 7096896, 7817616, 9375844, 20034576, 63872064, 214388164, 217946169, 221533456, 255488256, 259371025 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS Vincenzo Librandi and Chai Wah Wu, Table of n, a(n) for n = 1..129 First 60 terms from Vincenzo Librandi. P. De Geest, Palindromic Squares MATHEMATICA pb11Q[n_]:=Module[{idn11=IntegerDigits[n, 11]}, idn11==Reverse[idn11]]; Select[Range[0, 17000]^2, pb11Q] (* Harvey P. Dale, Jul 23 2014 *) PROG (Python) from gmpy2 import digits A029997_list = [n for n in (x**2 for x in range(10**7)) if digits(n, 11) == digits(n, 11)[::-1]] # Chai Wah Wu, Dec 01 2014 CROSSREFS Cf. A002779, A029734, A029738, A029806, A029983, A029985, A029987, A029989, A029991, A029993, A029995, A029999, A030074, A030075. Sequence in context: A262473 A001256 A227253 * A118548 A176830 A077211 Adjacent sequences:  A029994 A029995 A029996 * A029998 A029999 A030000 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 December 14 09:49 EST 2018. Contains 318095 sequences. (Running on oeis4.)