A167906 Fixed points of permutations A121878, A167904, A167905.

1, 2, 3, 4, 14, 17, 18, 19, 20, 21, 22, 35, 36, 37, 42, 44, 45, 46, 47, 48, 49, 63, 64, 65, 66, 67, 86, 89, 90, 91, 92, 93, 94, 107, 108, 109, 110, 111, 112, 123, 132, 134, 135, 136, 137, 146, 148, 161, 162, 168, 170, 171, 179, 180, 185, 186, 187, 189, 191, 192, 193

Offset

1,2

Comments

A121878(a(n))=a(n); A167904(a(n))=a(n); A167905(a(n))=a(n).

Links

Scott R. Shannon, Table of n, a(n) for n = 1..10000

Prog

(PARI) print1(1, ", "); v=[1]; n=1; while(n<100, if(issquarefree(n+v[#v])&&!vecsearch(vecsort(v), n), v=concat(v, n); if(n==#v, print1(n, ", ")); n=0); n++) \\ Derek Orr, Jun 09 2015

Crossrefs

Sequence in context: A103048 A343819 A140128 * A100998 A295286 A127283

Adjacent sequences: A167903 A167904 A167905 * A167907 A167908 A167909

Keyword

nonn

Author

Reinhard Zumkeller, Nov 15 2009

Status

approved