Gaps of 7 in sequence A038593 (lower terms).

Terms

a(0) =19a(1) =91a(2) =117a(3) =208a(4) =335a(5) =504a(6) =721a(7) =992a(8) =1323a(9) =1512a(10) =1657a(11) =1720a(12) =2189a(13) =2368a(14) =2736a(15) =3169a(16) =3367a(17) =4088a(18) =4563a(19) =4905a(20) =5402a(21) =5824a(22) =6851a(23) =7057a(24) =7992a(25) =8911a(26) =9234a(27) =9253a(28) =10432a(29) =10640