Total area of the shadows of the three views of the shell model of partitions, version "Tree", with n shells.

A210980

Total area of the shadows of the three views of the shell model of partitions, version "Tree", with n shells.

Terms

    a(0) =0a(1) =3a(2) =10a(3) =21a(4) =42a(5) =69a(6) =123a(7) =189a(8) =304a(9) =458a(10) =693a(11) =998a(12) =1474a(13) =2067a(14) =2927a(15) =4056a(16) =5613a(17) =7595a(18) =10335a(19) =13782a(20) =18411a(21) =24276a(22) =31944a(23) =41583a(24) =54152a(25) =69762a(26) =89758a(27) =114668a(28) =146181a(29) =185083

External references