After a(0)=0, numbers n such that (A002828(1+n) = 1) and (A002828(4+n) = 4).

Terms

a(0) =0a(1) =3a(2) =24a(3) =35a(4) =99a(5) =120a(6) =195a(7) =323a(8) =440a(9) =483a(10) =675a(11) =728a(12) =899a(13) =1155a(14) =1368a(15) =1443a(16) =1763a(17) =1848a(18) =2115a(19) =2499a(20) =2808a(21) =2915a(22) =3363a(23) =3480a(24) =3843a(25) =4355a(26) =4760a(27) =4899a(28) =5475a(29) =5624