Numbers k such that d(k) + d(k+1) + d(k+2) = 8, where d(k) = A001223.

Terms

a(0) =2a(1) =3a(2) =5a(3) =26a(4) =43a(5) =142a(6) =234a(7) =286a(8) =313a(9) =458a(10) =484a(11) =743a(12) =1167a(13) =1548a(14) =1823a(15) =1833a(16) =1867a(17) =2066a(18) =2151a(19) =2199a(20) =2362a(21) =2493a(22) =2789a(23) =3410a(24) =3718a(25) =4559a(26) =5251a(27) =5618a(28) =6317a(29) =6696