login
A077127
a(0) = 1, a(1) = 2, a(n) = smallest number other than n, non-coprime to n and not occurring earlier.
1
1, 2, 4, 6, 8, 10, 3, 14, 12, 15, 5, 22, 9, 26, 7, 18, 20, 34, 16, 38, 24, 27, 11, 46, 21, 30, 13, 33, 32, 58, 25, 62, 28, 36, 17, 40, 39, 74, 19, 42, 35, 82, 44, 86, 48, 50, 23, 94, 45, 56, 52, 54, 60, 106, 51, 65, 49, 63, 29, 118, 55, 122, 31, 57, 66, 70, 64, 134, 72, 75, 68
OFFSET
0,2
COMMENTS
Permutation of natural numbers.
CROSSREFS
Sequence in context: A083167 A338741 A115950 * A082191 A319806 A055952
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Oct 29 2002
EXTENSIONS
Corrected and extended by Sascha Kurz, Jan 30 2003
STATUS
approved