Who is 80.101.45.83 (XS4ALL, The Hague)? You sent 4 million queries in July, 1.4 queries/sec, all month long, using Python, mostly pointless, and they still continue. - Neil Sloane, njasloane@gmail.com
1,1
Table of n, a(n) for n=1..102.
1*(2*3)-1=5 prime so a(1)= 3 as 3# = 2*3
2*(2)-1=3 prime so a(2)= 2 as 2# = 2
Cf. A119324.
Sequence in context: A127599 A207384 A085034 * A102299 A259652 A141070
Adjacent sequences: A119320 A119321 A119322 * A119324 A119325 A119326
easy,nonn
Pierre CAMI, May 14 2006
More terms from David Wasserman, Jun 20 2007
approved