Invitation: celebrating 50 years of OEIS, 250000 sequences, and Sloane's 75th, there will be a conference at DIMACS, Rutgers, Oct 9-10 2014.
12,2
Table of n, a(n) for n=12..45.
a(4)=12 because Golomb's a(4)=3, thus 4*3=12
a(10)=50 because Golomb's a(10)=5, thus 10*5=50
Cf. A001462.
Sequence in context: A058219 A131863 A074870 * A122781 A153355 A024904
Adjacent sequences: A104233 A104234 A104235 * A104237 A104238 A104239
base,easy,nonn
Alexandre Wajnberg, Apr 02 2005
approved