1,2

J. D. Horton and A. Kurn, Counting sequences with complete increasing subsequences, Congress Numerantium, 33 (1981), 75-80.

Reference gives explicit formula.

Sequence in context: A012018 A010963 A010999 this_sequence A009069 A142845 A014941

Adjacent sequences: A047908 A047909 A047910 this_sequence A047912 A047913 A047914

nonn

njas