Numbers k such that k and k+4 are consecutive cubefree numbers.

Terms

a(0) =1374a(1) =4373a(2) =4911a(3) =5749a(4) =6857a(5) =13309a(6) =13374a(7) =16118a(8) =21247a(9) =24351a(10) =25622a(11) =28374a(12) =31373a(13) =32749a(14) =33613a(15) =40471a(16) =41741a(17) =48247a(18) =49623a(19) =49733a(20) =52622a(21) =55374a(22) =57966a(23) =58373a(24) =59749a(25) =75247a(26) =76623a(27) =79622a(28) =82374a(29) =85373