This site is supported by donations to The OEIS Foundation.

 Annual appeal: Please make a donation to keep the OEIS running! Over 6000 articles have referenced us, often saying "we discovered this result with the help of the OEIS". Other ways to donate

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A089453 Sums of squares of primitive roots of primes. 0
 1, 4, 13, 34, 153, 210, 680, 703, 2207, 2233, 3250, 5106, 6709, 8036, 20162, 20372, 21944, 29213, 35222, 39420, 56020, 61937, 97192, 100104, 100748, 132253, 134070, 135340, 201592, 205867, 207258, 328597, 334706, 348810, 372716, 383600, 493564 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Terms were computed by Ed Pegg Jr; see link for related Mathematica code. LINKS Ed Pegg Jr., The Moebius Function. EXAMPLE a(5) = 153 = 2^2 + 6^2 + 7^2 + 8^2 = sum of squares of primitive roots of prime(5)(=11). For the first 10 primes the primitive roots are as follows: {{1}, {2}, {2, 3}, {3, 5}, {2, 6, 7, 8}, {2, 6, 7, 11}, {3, 5, 6, 7, 10, 11, 12, 14}, {2, 3, 10, 13, 14, 15}, {5, 7, 10, 11, 14, 15, 17, 19, 20, 21}, {2, 3, 8, 10, 11, 14, 15, 18, 19, 21, 26, 27}}. CROSSREFS Sequence in context: A212149 A208740 A127981 * A057159 A189588 A266357 Adjacent sequences:  A089450 A089451 A089452 * A089454 A089455 A089456 KEYWORD nonn AUTHOR Paul D. Hanna, Nov 03 2003 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 | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.