Total area of the shadows of the three views of a three-dimensional version of the shell model of partitions with n shells.

A210970

Total area of the shadows of the three views of a three-dimensional version of the shell model of partitions with n shells.

Terms

    a(0) =0a(1) =3a(2) =9a(3) =18a(4) =34a(5) =55a(6) =91a(7) =136a(8) =208a(9) =301a(10) =439a(11) =616a(12) =876a(13) =1203a(14) =1665a(15) =2256a(16) =3062a(17) =4083a(18) =5459a(19) =7186a(20) =9470a(21) =12335a(22) =16051a(23) =20688a(24) =26648a(25) =34027a(26) =43395a(27) =54966a(28) =69496a(29) =87341

External references