Partial sums of A067392.

Terms

a(0) =0a(1) =2a(2) =5a(3) =11a(4) =16a(5) =31a(6) =38a(7) =58a(8) =76a(9) =111a(10) =122a(11) =176a(12) =189a(13) =252a(14) =312a(15) =384a(16) =401a(17) =518a(18) =537a(19) =667a(20) =772a(21) =915a(22) =938a(23) =1142a(24) =1217a(25) =1412a(26) =1547a(27) =1785a(28) =1814a(29) =2159