|
Search: id:A063849
|
|
|
| A063849 |
|
Numbers n such that mu(n) + mu(n+1) + mu(n+2) = 1. |
|
+0
1
|
|
| 8, 13, 21, 24, 25, 26, 37, 44, 49, 50, 54, 57, 62, 63, 74, 75, 80, 90, 115, 116, 119, 120, 123, 134, 146, 157, 160, 175, 177, 185, 187, 206, 207, 209, 224, 234, 248, 253, 259, 260, 265, 274, 278, 287, 294, 295, 296, 304, 314, 321, 323, 324, 329, 332, 338, 340
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
LINKS
|
Harry J. Smith, Table of n, a(n) for n=1,...,1000
|
|
PROGRAM
|
(PARI) m(n)=moebius(n)+moebius(n+1)+moebius(n+2); j=[]; for(n=1, 1000, if(m(n)==1, j=concat(j, n))); j
(PARI) M(n) = moebius(n) + moebius(n + 1) + moebius(n + 2) { n=0; for (m=1, 10^9, if(M(m)==1, write("b063849.txt", n++, " ", m); if (n==1000, break)) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Sep 01 2009]
|
|
CROSSREFS
|
Cf. A063838.
Sequence in context: A070130 A070131 A030782 this_sequence A101642 A019535 A093023
Adjacent sequences: A063846 A063847 A063848 this_sequence A063850 A063851 A063852
|
|
KEYWORD
|
easy,nonn
|
|
AUTHOR
|
Jason Earls (zevi_35711(AT)yahoo.com), Aug 26 2001
|
|
|
Search completed in 0.002 seconds
|
