Row sums of number triangle A124816.

Terms

a(0) =1a(1) =1a(2) =1a(3) =3a(4) =4a(5) =12a(6) =19a(7) =56a(8) =97a(9) =284a(10) =519a(11) =1516a(12) =2871a(13) =8380a(14) =16281a(15) =47517a(16) =94117a(17) =274733a(18) =552458a(19) =1613119a(20) =3283615a(21) =9590965a(22) =19720434a(23) =57620008a(24) =119480043a(25) =349217316a(26) =729363169a(27) =2132461957a(28) =4481537753a(29) =13106711534