Number of minimally unitary multisets in the unit groups of Z/nZ.

Terms

a(0) =1a(1) =1a(2) =2a(3) =2a(4) =7a(5) =2a(6) =20a(7) =5a(8) =20a(9) =7a(10) =166a(11) =5a(12) =367a(13) =20a(14) =39a(15) =39a(16) =2135a(17) =20a(18) =4038a(19) =39a(20) =253a(21) =166a(22) =17476a(23) =22a(24) =8247a(25) =367a(26) =4038a(27) =253a(28) =97243a(29) =39