Number of perfect matchings in variant of right triangle graph with n edges.

A071105

Number of perfect matchings in variant of right triangle graph with n edges.

Terms

    a(0) =1a(1) =0a(2) =0a(3) =3a(4) =6a(5) =0a(6) =0a(7) =1065a(8) =6276a(9) =0a(10) =0a(11) =45949563a(12) =807343128a(13) =0a(14) =0a(17) =0a(18) =0a(21) =0a(22) =0

External references