The number of degree sequences with degree sum 2n representable by a connected graph (with multiple edges allowed).

A147878

The number of degree sequences with degree sum 2n representable by a connected graph (with multiple edges allowed).

Terms

    a(0) =1a(1) =2a(2) =5a(3) =11a(4) =23a(5) =46a(6) =86a(7) =156a(8) =273a(9) =463a(10) =766a(11) =1241a(12) =1969a(13) =3073a(14) =4723a(15) =7157a(16) =10711a(17) =15850a(18) =23206a(19) =33654a(20) =48373a(21) =68955a(22) =97544a(23) =137002a(24) =191125a(25) =264955a(26) =365127a(27) =500349a(28) =682018a(29) =924982

External references