Partial sums of A299894.

Terms

a(0) =1a(1) =5a(2) =13a(3) =29a(4) =56a(5) =91a(6) =139a(7) =205a(8) =288a(9) =401a(10) =547a(11) =721a(12) =924a(13) =1155a(14) =1422a(15) =1733a(16) =2098a(17) =2516a(18) =2982a(19) =3491a(20) =4047a(21) =4664a(22) =5355a(23) =6123a(24) =6956a(25) =7853a(26) =8807a(27) =9828a(28) =10938a(29) =12135