a(n) is the sum of the n-th row of the triangle formed by replacing each m in Pascal's triangle with sigma(m).

A074801

a(n) is the sum of the n-th row of the triangle formed by replacing each m in Pascal's triangle with sigma(m).

Terms

    a(0) =1a(1) =2a(2) =5a(3) =10a(4) =28a(5) =50a(6) =116a(7) =178a(8) =528a(9) =1282a(10) =2794a(11) =4778a(12) =10594a(13) =17166a(14) =33426a(15) =60242a(16) =183072a(17) =304202a(18) =759716a(19) =1288642a(20) =2965286a(21) =6352098a(22) =11776586a(23) =18326642a(24) =48714362a(25) =95769336a(26) =172377654a(27) =417138342a(28) =1004225842a(29) =1633822142

External references