Greatest number (in decimal representation) with n nonprime substrings in base-7 representation (substrings with leading zeros are considered to be nonprime).

A217117

Greatest number (in decimal representation) with n nonprime substrings in base-7 representation (substrings with leading zeros are considered to be nonprime).

Terms

    a(0) =37a(1) =331a(2) =317a(3) =2322a(4) =2389a(5) =15259a(6) =16260a(7) =16728a(8) =100291a(9) =113825a(10) =116101a(11) =117109a(12) =796777a(13) =796781a(14) =819719a(15) =823003a(16) =4753901a(17) =5577444a(18) =5738035a(19) =5738039a(20) =5761027a(21) =31150219a(22) =39041113a(23) =39336580a(24) =40166250a(25) =40326841a(26) =40336249a(27) =218051538a(28) =273271861

External references