Number of 3-cycles in the n-halved cube graph.

Terms

a(0) =0a(1) =0a(2) =4a(3) =32a(4) =160a(5) =640a(6) =2240a(7) =7168a(8) =21504a(9) =61440a(10) =168960a(11) =450560a(12) =1171456a(13) =2981888a(14) =7454720a(15) =18350080a(16) =44564480a(17) =106954752a(18) =254017536a(19) =597688320a(20) =1394606080a(21) =3229614080a(22) =7428112384a(23) =16978542592a(24) =38587596800a(25) =87241523200a(26) =196293427200a(27) =439697276928a(28) =980863156224