Number of strings of numbers x(i=1..8) in 0..n with sum i*x(i) equal to n*8.

Terms

a(0) =6a(1) =58a(2) =304a(3) =1169a(4) =3571a(5) =9353a(6) =21713a(7) =46037a(8) =90595a(9) =167917a(10) =295811a(11) =499442a(12) =812681a(13) =1281088a(14) =1963602a(15) =2936595a(16) =4295937a(17) =6162309a(18) =8683612a(19) =12041794a(20) =16455557a(21) =22188902a(22) =29554150a(23) =38922422a(24) =50726886a(25) =65475486a(26) =83754336a(27) =106242925