Gaps of 6 in sequence A038593 (lower terms).

Terms

a(0) =1261a(1) =7651a(2) =7778a(3) =7930a(4) =12097a(5) =20917a(6) =21925a(7) =32761a(8) =42653a(9) =47909a(10) =48007a(11) =52669a(12) =69986a(13) =85177a(14) =90776a(15) =117622a(16) =124651a(17) =154720a(18) =194383a(19) =249698a(20) =249977a(21) =251875a(22) =261415a(23) =291935a(24) =310087a(25) =325711a(26) =399386a(27) =448147a(28) =549829a(29) =579683