A certain class of stable matchings.

Terms

a(0) =1a(1) =2a(2) =3a(3) =10a(4) =16a(5) =48a(6) =71a(7) =268a(8) =330a(9) =1000a(10) =1231a(11) =4360a(12) =5560a(13) =19724a(14) =25011a(15) =195472a(16) =200832a(17) =423104a(18) =637336a(19) =2404960a(20) =3468448a(21) =11221136a(22) =15481956a(23) =85524160a(24) =69071736a(25) =223715664a(26) =263481184a(27) =1233927520a(28) =2023228320