OFFSET
1,2
COMMENTS
Is this a permutation of the positive integers ?
Will every square show up in the first difference ?
LINKS
Paul Tek, Table of n, a(n) for n = 1..10000
Paul Tek, Perl program for this sequence
EXAMPLE
n a(n) First difference
- ---- ----------------
1 1
+1^2
2 2
+2^2
3 6
-1^2
4 5
+3^2
5 14
-2^2
6 10
+4^2
7 26
...
PROG
(Perl) See Link section.
CROSSREFS
KEYWORD
nonn
AUTHOR
Paul Tek, Oct 17 2013
STATUS
approved