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A063077
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Phi(n^2+1)-(2n).
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1
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-1, 0, -2, 8, 2, 24, 6, 32, 22, 80, 38, 88, 38, 168, 82, 224, 78, 204, 142, 360, 150, 340, 162, 528, 262, 624, 234, 568, 362, 772, 370, 736, 366, 988, 542, 1224, 470, 1012, 682, 1520, 730, 1324, 634, 1688, 922, 1924, 674, 1744, 1102, 2300, 1198, 2056, 1014, 2808, 1298, 3024, 1086, 2572, 1622, 3192, 1738, 2948
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,3
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LINKS
| Harry J. Smith, Table of n, a(n) for n=1,...,1000
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PROG
| (PARI) j=[]; for(n=1, 100, j=concat(j, eulerphi(n^2+1)-(2*n))); j
(PARI) { for (n=1, 1000, write("b063077.txt", n, " ", eulerphi(n^2 + 1) - 2*n) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Aug 17 2009]
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CROSSREFS
| Sequence in context: A175183 A189217 A183037 * A085192 A006085 A021357
Adjacent sequences: A063074 A063075 A063076 * A063078 A063079 A063080
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KEYWORD
| easy,sign
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AUTHOR
| Jason Earls (zevi_35711(AT)yahoo.com), Aug 05 2001
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