The OEIS is supported by the many generous donors to the OEIS Foundation.

 Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 60th year, we have over 367,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”). Other ways to Give
 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A295015 Squares whose largest digit is 5. 7
 25, 225, 1225, 1521, 2025, 2500, 3025, 4225, 5041, 11025, 12544, 13225, 21025, 22500, 24025, 34225, 35344, 42025, 44521, 52441, 55225, 112225, 122500, 133225, 135424, 150544, 151321, 152100, 202500, 212521, 235225, 245025, 250000, 251001, 252004, 255025, 302500 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Michael S. Branicky, Table of n, a(n) for n = 1..10000 FORMULA a(n) = A295005(n)^2. MATHEMATICA Select[Range[600]^2, Max[IntegerDigits[#]]==5&] (* Harvey P. Dale, Aug 19 2022 *) PROG (PARI) is_A295015(n)=issquare(n)&&n&&vecmax(digits(n))==5 \\ The "n&&" avoids an error message for n = 0. (Python) from math import isqrt def aupto(limit): alst, rootlimit = [], isqrt(limit) for k in range(1, rootlimit+1): if max(str(k*k)) == "5": alst.append(k*k) return alst print(aupto(302500)) # Michael S. Branicky, May 15 2021 CROSSREFS Cf. A295015 (square roots of the terms); A277946, A277947, A277948, A295016 .. A295019 (analog for digits 2 through 9); A295025 (analog for cubes). Cf. A000290 (the squares). Sequence in context: A038692 A017330 A135509 * A288876 A065779 A095241 Adjacent sequences: A295012 A295013 A295014 * A295016 A295017 A295018 KEYWORD nonn,base AUTHOR M. F. Hasler, Nov 12 2017 STATUS approved

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

Last modified December 9 20:06 EST 2023. Contains 367693 sequences. (Running on oeis4.)