Fourth partial sums of sixth powers (A001014).

Terms

a(0) =1a(1) =68a(2) =995a(3) =7672a(4) =40614a(5) =166992a(6) =571626a(7) =1701480a(8) =4534959a(9) =11050468a(10) =24997973a(11) =53113424a(12) =106959580a(13) =205628736a(14) =379603812a(15) =676144944a(16) =1166649837a(17) =1956528420a(18) =3198236503a(19) =5108229896a(20) =7988730530a(21) =12255340240