First differences of A057699.

Terms

a(0) =805520a(1) =163366a(2) =424532a(3) =909522a(4) =1686222a(5) =841354a(6) =952236a(7) =2297880a(8) =404028a(9) =3035810a(10) =3710860a(11) =7974450a(12) =2371952a(13) =4346998a(14) =2370800a(15) =16466490a(16) =3419802a(17) =5186806a(18) =3908612a(19) =5856750a(20) =820132a(21) =6870656a(22) =5119108a(23) =509922a(24) =20820114a(25) =5959694a(26) =7727544a(27) =9082170a(28) =22438260a(29) =2739580