1,4

1/1; 1/1 1/1; 1/1 1/3 1/1; 1/1 4/3 4/3 1/1; 1/1 7/3 8/3 7/3 1/1; 1/1 10/3 5/1 5/1 10/3 1/1; 1/1 13/3 25/3 10/1 25/3 13/3 1/1; 1/1 16/3 38/3 55/3 55/3 38/3 16/3 1/1; ...

Cf. A046534.

Sequence in context: A135608 A106230 A016623 this_sequence A035292 A144457 A146975

Adjacent sequences: A046540 A046541 A046542 this_sequence A046544 A046545 A046546

tabl,nonn

Mohammad K. Azarian (ma3(AT)evansville.edu)