Row sums of A126277 = binomial transform of (1, 2, 2, 3, 4, 4, 4, ...)

Terms

a(0) =1a(1) =3a(2) =7a(3) =16a(4) =37a(5) =85a(6) =191a(7) =418a(8) =893a(9) =1871a(10) =3863a(11) =7892a(12) =16005a(13) =32297a(14) =64959a(15) =130374a(16) =261309a(17) =523299a(18) =1047415a(19) =2095800a(20) =4192741a(21) =8386813a(22) =16775167a(23) =33552106a(24) =67106237a(25) =134214775a(26) =268432151a(27) =536867228a(28) =1073737733a(29) =2147479121