Bond series for first parallel moment of Kagome lattice.

Terms

a(0) =2a(1) =10a(2) =30a(3) =76a(4) =178a(5) =388a(6) =812a(7) =1644a(8) =3244a(9) =6234a(10) =11778a(11) =21862a(12) =40280a(13) =72940a(14) =130730a(15) =232486a(16) =410534a(17) =719002a(18) =1249260a(19) =2157678a(20) =3711944a(21) =6355502a(22) =10817220a(23) =18302084a(24) =30898482a(25) =52132458a(26) =87301250a(27) =145386682a(28) =242707776