Triangle read by rows, related to A055129 (repunits in base k).

Terms

a(0) =1a(1) =2a(2) =1a(3) =3a(4) =4a(5) =2a(6) =4a(7) =11a(8) =14a(9) =6a(10) =5a(11) =26a(12) =64a(13) =66a(14) =24a(15) =6a(16) =57a(17) =244a(18) =456a(19) =384a(20) =120a(21) =7a(22) =120a(23) =846a(24) =2556a(25) =3744a(26) =2640a(27) =720a(28) =8a(29) =247