Row sums of triangle A145973.

Terms

a(0) =1a(1) =1a(2) =3a(3) =5a(4) =14a(5) =27a(6) =73a(7) =151a(8) =400a(9) =862a(10) =2254a(11) =4989a(12) =12932a(13) =29165a(14) =75135a(15) =171805a(16) =440620a(17) =1018240a(18) =2602600a(19) =6064810a(20) =15460920a(21) =36272270a(22) =92276210a(23) =217693425a(24) =552878074a(25) =1310422012a(26) =3323477928a(27) =7908572351a(28) =20034349880a(29) =47837048643