Positions where A109890(n) = Sum_{i = 1..n-1} A109890(i).

Terms

a(0) =3a(1) =4a(2) =222a(3) =232a(4) =279a(5) =568a(6) =634a(7) =844a(8) =1307a(9) =1704a(10) =2016a(11) =2050a(12) =2164a(13) =2325a(14) =2701a(15) =3130a(16) =3225a(17) =3322a(18) =3524a(19) =4673a(20) =6007a(21) =6692a(22) =7141a(23) =7221a(24) =7954a(25) =8689a(26) =11051a(27) =11898a(28) =13959a(29) =14166