1,1
Cf. A108787, A108788, A108789.
Sequence in context: A173111 A140879 A006556 * A117941 A134566 A128694
Adjacent sequences: A108787 A108788 A108789 * A108791 A108792 A108793
nonn,easy
Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Jul 09 2005