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!)
 A063014 Number of solutions to n^2=b^2+c^2 [with c>=b>=0]. 8
 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 1, 2, 1, 1, 1, 1, 3, 2, 1, 1, 2, 2, 1, 1, 1, 2, 2, 1, 2, 1, 2, 2, 2, 1, 1, 1, 2, 1, 1, 1, 1, 3, 2, 2, 2, 1, 2, 1, 1, 2, 1, 2, 2, 1, 1, 1, 5, 1, 1, 2, 1, 2, 1, 1, 2, 2, 3, 1, 1, 2, 1, 2, 1, 2, 1, 1, 5, 1, 2, 1, 2, 2, 2, 1, 1, 1, 2, 1, 2, 1, 1, 3, 2, 2 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,6 LINKS Michael Gilleland, Some Self-Similar Integer Sequences FORMULA a(0) = 1; a(n) = A046080(n) + 1 for n > 0. - [amended by Georg Fischer, Jan 25 2020] EXAMPLE a(0)=1 since 0^2=0^2+0^2; a(5)=2 since 5^2=0^2+5^2=3^2+4^2; a(25)=3 since 25^2=0^2+25^2=7^2+24^2=15^2+20^2. CROSSREFS Cf. A046080. Column k=2 of A255212. Sequence in context: A157196 A300410 A293451 * A286361 A097295 A220572 Adjacent sequences:  A063011 A063012 A063013 * A063015 A063016 A063017 KEYWORD nonn AUTHOR Henry Bottomley, Jul 26 2001 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 April 16 05:26 EDT 2021. Contains 343030 sequences. (Running on oeis4.)