Row sums of triangle A067979; also of triangle A067990.

Terms

a(0) =1a(1) =9a(2) =34a(3) =95a(4) =240a(5) =553a(6) =1212a(7) =2547a(8) =5195a(9) =10340a(10) =20184a(11) =38766a(12) =73451a(13) =137565a(14) =255080a(15) =468877a(16) =855288a(17) =1549583a(18) =2790510a(19) =4997895a(20) =8907481a(21) =15804634a(22) =27928464a(23) =49169100a(24) =86268325a(25) =150882993a(26) =263124862