a(n) = (1/11520) * n*(n+7)^2 * (3*n^7 + 83*n^6 + 961*n^5 + 6201*n^4 + 24708*n^3 + 60700*n^2 + 87968*n + 85056).

A290723

a(n) = (1/11520) * n*(n+7)^2 * (3*n^7 + 83*n^6 + 961*n^5 + 6201*n^4 + 24708*n^3 + 60700*n^2 + 87968*n + 85056).

Terms

    a(0) =0a(1) =1476a(2) =11772a(3) =61595a(4) =249986a(5) =846306a(6) =2495961a(7) =6601035a(8) =15978570a(9) =35938992a(10) =75976077a(11) =152318826a(12) =291665618a(13) =536502980a(14) =952506198a(15) =1638627738a(16) =2740602996a(17) =4468742196a(18) =7121033250a(19) =11112754029a(20) =17013984714a(21) =25596622646a(22) =37892734319a(23) =55266332805a(24) =79500944910

External references