First row sum of the matrix M^n, where M is the 5 X 5 matrix {{0,-1,-1,-1,-1}, {-1,0,-1,-1,0}, {-1,-1,0,0,0}, {-1,-1,0,1,0}, {-1,0,0,0,1}}.

A122174

First row sum of the matrix M^n, where M is the 5 X 5 matrix {{0,-1,-1,-1,-1}, {-1,0,-1,-1,0}, {-1,-1,0,0,0}, {-1,-1,0,1,0}, {-1,0,0,0,1}}.

Terms

    a(0) =1a(1) =-4a(2) =6a(3) =-24a(4) =41a(5) =-145a(6) =273a(7) =-886a(8) =1789a(9) =-5457a(10) =11605a(11) =-33807a(12) =74761a(13) =-210366a(14) =479256a(15) =-1313465a(16) =3061242a(17) =-8222492a(18) =19501429a(19) =-51579259a(20) =123983182a(21) =-324067194a(22) =787044384a(23) =-2038584810a(24) =4990387355a(25) =-12836179872a(26) =31614557443a(27) =-80883958143a(28) =200146505560a(29) =-509959672813

External references