Number of maximal 1-intersecting families of 2-sets of [n] = {1,2,...,n}.

Terms

a(0) =1a(1) =1a(2) =1a(3) =8a(4) =15a(5) =26a(6) =42a(7) =64a(8) =93a(9) =130a(10) =176a(11) =232a(12) =299a(13) =378a(14) =470a(15) =576a(16) =697a(17) =834a(18) =988a(19) =1160a(20) =1351a(21) =1562a(22) =1794a(23) =2048a(24) =2325a(25) =2626a(26) =2952a(27) =3304a(28) =3683a(29) =4090