|
Search: id:A064919
|
|
| |
|
| 2, 3, 6, 5, 10, 7, 14, 16, 18, 11, 22, 13, 26, 28, 30, 17, 34, 19, 38, 40, 42, 23, 46, 48, 50, 52, 54, 29, 58, 31, 62, 64, 66, 68, 70, 37, 74, 76, 78, 41, 82, 43, 86, 88, 90, 47, 94, 96, 98, 100, 102, 53, 106, 108, 110, 112, 114, 59, 118, 61, 122, 124, 126, 128, 130, 67
(list; graph; listen)
|
|
|
OFFSET
|
2,1
|
|
|
COMMENT
|
A064916(a(n)) = n.
|
|
LINKS
|
Harry J. Smith, Table of n, a(n) for n=2,...,1000
|
|
FORMULA
|
For n > 2: a(n) = if n is prime then n else 2*n - 2.
|
|
PROGRAM
|
(PARI) lpf(n)= { local(f); f=factor(n); return(f[1, 1]) } { for (n=2, 1000, k=1; until (m==n, k++; L=lpf(k); m=k / L + L - 1); write("b064919.txt", n, " ", k) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Sep 29 2009]
|
|
CROSSREFS
|
A064916, A064923, A064924.
Sequence in context: A091239 A145110 A043547 this_sequence A064923 A064924 A055944
Adjacent sequences: A064916 A064917 A064918 this_sequence A064920 A064921 A064922
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 14 2001
|
|
|
Search completed in 0.002 seconds
|
