0,1

19609 is first term appearing in A122072 six times.

Cf. A122091, A122072.

Sequence in context: A015162 A075037 A134116 this_sequence A075038 A082889 A109568

Adjacent sequences: A122387 A122388 A122389 this_sequence A122391 A122392 A122393

nonn

Zak Seidov (zakseidov(AT)yahoo.com), Oct 19 2006