Number of numerical semigroups of genus n; conjecturally also the number of power sum bases for symmetric functions in n variables.

A007323

Number of numerical semigroups of genus n; conjecturally also the number of power sum bases for symmetric functions in n variables.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =4a(4) =7a(5) =12a(6) =23a(7) =39a(8) =67a(9) =118a(10) =204a(11) =343a(12) =592a(13) =1001a(14) =1693a(15) =2857a(16) =4806a(17) =8045a(18) =13467a(19) =22464a(20) =37396a(21) =62194a(22) =103246a(23) =170963a(24) =282828a(25) =467224a(26) =770832a(27) =1270267a(28) =2091030a(29) =3437839

External references