24*a(n) counts the solid partitions of n that have no symmetry under any single or combined operations built from mirroring (F), rotation (T) or 4-D rotation (L).
A097507
24*a(n) counts the solid partitions of n that have no symmetry under any single or combined operations built from mirroring (F), rotation (T) or 4-D rotation (L).
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =5a(7) =14a(8) =36a(9) =88a(10) =203a(11) =447a(12) =957a(13) =2000a(14) =4095a(15) =8234a(16) =16326a(17) =31946a(18) =61826a(19) =118451a(20) =224936a(21) =423651a(22) =792003a(23) =1470365a(24) =2712239a(25) =4972772a(26) =9065500a(27) =16437451a(28) =29651289a(29) =53225532
External references
- oeis: A097507