Number of second differences of arrays of length 9 of numbers in 0..n.

A228224

Number of second differences of arrays of length 9 of numbers in 0..n.

Terms

    a(0) =511a(1) =19171a(2) =242461a(3) =1688101a(4) =8006491a(5) =29066311a(6) =86929081a(7) =224817481a(8) =519682231a(9) =1098972331a(10) =2162213461a(11) =4007999341a(12) =7067000851a(13) =11941597711a(14) =19452737521a(15) =30694626961a(16) =47097859951a(17) =70501587571a(18) =103235334541a(19) =148211067061

External references