Sequence formed from rows of triangle A046937.

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =8a(5) =11a(6) =16a(7) =24a(8) =32a(9) =43a(10) =59a(11) =83a(12) =107a(13) =139a(14) =182a(15) =241a(16) =324a(17) =407a(18) =514a(19) =653a(20) =835a(21) =1076a(22) =1400a(23) =1724a(24) =2131a(25) =2645a(26) =3298a(27) =4133a(28) =5209a(29) =6609