Body-centered cubic pyritohedral numbers: a(n) = 1728*n^3 - 5076*n^2 + 4984*n - 1635.

Terms

a(0) =1a(1) =1853a(2) =14289a(3) =47677a(4) =112385a(5) =218781a(6) =377233a(7) =598109a(8) =891777a(9) =1268605a(10) =1738961a(11) =2313213a(12) =3001729a(13) =3814877a(14) =4763025a(15) =5856541a(16) =7105793a(17) =8521149a(18) =10112977a(19) =11891645a(20) =13867521a(21) =16050973a(22) =18452369a(23) =21082077a(24) =23950465a(25) =27067901a(26) =30444753a(27) =34091389a(28) =38018177a(29) =42235485