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 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”). Other ways to Give
 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A100209 a(n) = A100208(n)^2 + A100208(n+1)^2. 3
 5, 13, 73, 89, 41, 97, 181, 149, 193, 313, 569, 521, 157, 397, 557, 421, 709, 773, 613, 853, 1429, 1741, 1097, 881, 1201, 1801, 1901, 1117, 1597, 2677, 3121, 2689, 1873, 2153, 2393, 1753, 3229, 3461, 2897, 3617, 3797, 4517, 3697, 5521, 5669, 3469, 4729 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Pythagorean primes: A079260(a(n)) = 1, see A100210; a(n) = A073658(n) + A073658(n+1). LINKS T. D. Noe, Table of n, a(n) for n = 1..1000 CROSSREFS Cf. A002144. Sequence in context: A087506 A068487 A075063 * A139361 A115329 A272645 Adjacent sequences: A100206 A100207 A100208 * A100210 A100211 A100212 KEYWORD nonn AUTHOR Reinhard Zumkeller, Nov 08 2004 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 6 11:44 EST 2022. Contains 358631 sequences. (Running on oeis4.)