Number of double points of the map that, for each term t of a sequence, counts the preceding terms that are greater than or equal to t.

A071962

Number of double points of the map that, for each term t of a sequence, counts the preceding terms that are greater than or equal to t.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =10a(4) =26a(5) =70a(6) =216a(7) =682a(8) =2264a(9) =7960a(10) =29262a(11) =113256a(12) =452586a(13) =1886306a(14) =8109828a(15) =36274448a(16) =167157176

External references