1,1
a(3)=20 because the third sequence not begining with a "1" is A000020.
Sequence in context: A070902 A059007 A035401 this_sequence A051448 A075319 A030470
Adjacent sequences: A139327 A139328 A139329 this_sequence A139331 A139332 A139333
dumb,easy,nonn,more
Leonardo Sznajder (leonardosznajder(AT)yahoo.com.ar), Jun 05 2008
Search completed in 0.002 seconds