4-dimensional figurate numbers: a(n) = (6*n-2)*binomial(n+2,3)/4.

Terms

a(0) =1a(1) =10a(2) =40a(3) =110a(4) =245a(5) =476a(6) =840a(7) =1380a(8) =2145a(9) =3190a(10) =4576a(11) =6370a(12) =8645a(13) =11480a(14) =14960a(15) =19176a(16) =24225a(17) =30210a(18) =37240a(19) =45430a(20) =54901a(21) =65780a(22) =78200a(23) =92300a(24) =108225a(25) =126126a(26) =146160a(27) =168490a(28) =193285a(29) =220720