Indices of zeros in A269783.

Terms

a(0) =0a(1) =1a(2) =4a(3) =7a(4) =15a(5) =23a(6) =40a(7) =55a(8) =85a(9) =111a(10) =158a(11) =197a(12) =265a(13) =323a(14) =416a(15) =493a(16) =615a(17) =719a(18) =874a(19) =1005a(20) =1197a(21) =1361a(22) =1594a(23) =1793a(24) =2071a(25) =2313a(26) =2640a(27) =2921a(28) =3301a(29) =3633