Triangle read by rows: coefficients of chromatic polynomials for the poset of Dyck paths ordered by inclusion.

A141622

Triangle read by rows: coefficients of chromatic polynomials for the poset of Dyck paths ordered by inclusion.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =-1a(4) =1a(5) =-5a(6) =10a(7) =-9a(8) =3a(9) =1a(10) =-21a(11) =210a(12) =-1321a(13) =5823a(14) =-18968a(15) =46908a(16) =-89034a(17) =129490a(18) =-142270a(19) =114532a(20) =-63791a(21) =21940a(22) =-3499a(23) =1a(24) =-84a(25) =3486a(26) =-95228a(27) =1924965a(28) =-30690520a(29) =401700964

External references