1,1
Cf. A073941, A112088, A072493.
Sequence in context: A121500 A113455 A054637 * A113454 A157726 A082223
Adjacent sequences: A120169 A120170 A120171 * A120173 A120174 A120175
nonn
Graeme McRae (g_m(AT)mcraefamily.com), Jun 10 2006