Number of ways to reach n by starting with 1 and repeatedly adding any positive integer or multiplying by any integer greater than 1.

A348396

Number of ways to reach n by starting with 1 and repeatedly adding any positive integer or multiplying by any integer greater than 1.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =10a(4) =18a(5) =42a(6) =78a(7) =168a(8) =328a(9) =672a(10) =1324a(11) =2706a(12) =5354a(13) =10788a(14) =21518a(15) =43194a(16) =86208a(17) =172792a(18) =345208a(19) =691118a(20) =1381616a(21) =2764476a(22) =5527626a(23) =11058184a(24) =22113454a(25) =44232246a(26) =88459468a(27) =176929482a(28) =353848086a(29) =707718428

External references