Triangle read by rows: Hammersley's numbers c_{j,k} arising from a formula for A085707(n,k).

Terms

a(0) =1a(1) =3a(2) =5a(3) =17a(4) =70a(5) =61a(6) =155a(7) =1143a(8) =2317a(9) =1385a(10) =2073a(11) =23716a(12) =82286a(13) =110556a(14) =50521a(15) =38227a(16) =623753a(17) =3243270a(18) =7258090a(19) =7293671a(20) =2702765a(21) =929569a(22) =20454498a(23) =147624355a(24) =484343420a(25) =796220487a(26) =639139202a(27) =199360981