The number phi_2(n) of Frobenius partitions that allow up to 2 repetitions of an integer in a row.

Terms

a(0) =1a(1) =1a(2) =3a(3) =5a(4) =9a(5) =14a(6) =24a(7) =35a(8) =55a(9) =81a(10) =120a(11) =171a(12) =248a(13) =345a(14) =486a(15) =669a(16) =920a(17) =1246a(18) =1690a(19) =2256a(20) =3014a(21) =3984a(22) =5253a(23) =6870a(24) =8970a(25) =11618a(26) =15022a(27) =19306a(28) =24745a(29) =31557