Partial sums of A253088.

Terms

a(0) =1a(1) =10a(2) =22a(3) =62a(4) =86a(5) =174a(6) =222a(7) =370a(8) =450a(9) =614a(10) =786a(11) =1082a(12) =1318a(13) =1698a(14) =2022a(15) =2522a(16) =2958a(17) =3510a(18) =4062a(19) =4706a(20) =5394a(21) =6330a(22) =7118a(23) =8286a(24) =9214a(25) =10510a(26) =11554a(27) =12998a(28) =14350a(29) =16118