1,2
a(m) = A161135(m,m)
A161135, A161136, A161138
Sequence in context: A128565 A151952 A090291 * A109469 A188948 A083460
Adjacent sequences: A161134 A161135 A161136 * A161138 A161139 A161140
more,nonn
Max Alekseyev (maxale(AT)gmail.com), Jun 02 2009