Partial sums of A286271.

Terms

a(0) =0a(1) =1a(2) =3a(3) =6a(4) =11a(5) =18a(6) =29a(7) =45a(8) =69a(9) =104a(10) =157a(11) =235a(12) =353a(13) =529a(14) =795a(15) =1196a(16) =1807a(17) =2734a(18) =4153a(19) =6322a(20) =9655a(21) =14779a(22) =22689a(23) =34904a(24) =53829a(25) =83174a(26) =128783a(27) =199742a(28) =310351a(29) =482927