Partial sums of A299896.

Terms

a(0) =1a(1) =5a(2) =13a(3) =27a(4) =48a(5) =82a(6) =135a(7) =206a(8) =296a(9) =404a(10) =537a(11) =698a(12) =896a(13) =1144a(14) =1430a(15) =1747a(16) =2096a(17) =2491a(18) =2937a(19) =3451a(20) =4036a(21) =4676a(22) =5364a(23) =6099a(24) =6916a(25) =7805a(26) =8780a(27) =9832a(28) =10947a(29) =12124