Number of chiral pairs of color loops of length n with exactly 5 different colors.
A305544
Number of chiral pairs of color loops of length n with exactly 5 different colors.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =12a(5) =150a(6) =1200a(7) =7845a(8) =46280a(9) =254676a(10) =1344900a(11) =6892425a(12) =34646220a(13) =171715050a(14) =843004688a(15) =4110478470a(16) =19950471120a(17) =96525524140a(18) =466068873900
External references
- oeis: A305544