1,1
Cf. A139640, A140738.
Sequence in context: A086050 A128486 A147370 * A004503 A140810 A166041
Adjacent sequences: A140736 A140737 A140738 * A140740 A140741 A140742
nonn
Artur Jasinski (grafix(AT)csl.pl), May 26 2008