Number of 5-dimensional centered tetrahedral numbers.

Terms

a(0) =1a(1) =7a(2) =28a(3) =84a(4) =210a(5) =462a(6) =923a(7) =1709a(8) =2975a(9) =4921a(10) =7798a(11) =11914a(12) =17640a(13) =25416a(14) =35757a(15) =49259a(16) =66605a(17) =88571a(18) =116032a(19) =149968a(20) =191470a(21) =241746a(22) =302127a(23) =374073a(24) =459179a(25) =559181a(26) =675962a(27) =811558a(28) =968164a(29) =1148140