Crystal ball sequence for planar net 3.6.3.6.

Terms

a(0) =1a(1) =5a(2) =13a(3) =27a(4) =45a(5) =67a(6) =95a(7) =125a(8) =163a(9) =201a(10) =249a(11) =295a(12) =353a(13) =407a(14) =475a(15) =537a(16) =615a(17) =685a(18) =773a(19) =851a(20) =949a(21) =1035a(22) =1143a(23) =1237a(24) =1355a(25) =1457a(26) =1585a(27) =1695a(28) =1833a(29) =1951