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!)
 A054737 Numbers n such that n^2 can be split into two nonzero squares (perhaps with leading zeros) in exactly two different ways. 1
 253, 1265, 2225, 2530, 6325, 12650, 18025, 18975, 22250, 24982, 25300, 31625, 63250, 94875, 126500, 158125, 180250, 189750, 221375, 222500, 249820, 253000, 316250, 632500, 702247, 948750, 1265000, 1581250, 1802500, 1897500, 2213750, 2225000, 2498200, 2530000 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..34. EXAMPLE 2225^2=4950625 can be split into 49=7^2 and 50625=225^2 or into 4=2^2 and 950625=975^2; 2530^2=6400900 can be split into 6400=80^2 and 900=30^2 or into 64=8^2 and 00900=30^2 CROSSREFS Cf. A048375, A054738. Sequence in context: A203085 A245790 A070193 * A123013 A183449 A225021 Adjacent sequences: A054734 A054735 A054736 * A054738 A054739 A054740 KEYWORD base,nonn AUTHOR Henry Bottomley, Apr 26 2000 EXTENSIONS More terms from Sean A. Irvine, Feb 20 2022 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 3 05:03 EST 2023. Contains 367531 sequences. (Running on oeis4.)