a(n) = smallest positive even integer k such that k or one of its left substrings is divisible by any integer from {1..n}.
A175516
a(n) = smallest positive even integer k such that k or one of its left substrings is divisible by any integer from {1..n}.
Terms
- a(0) =2a(1) =2a(2) =6a(3) =12a(4) =60a(5) =60a(6) =252a(7) =504a(8) =504a(9) =504a(10) =7260a(11) =7260a(12) =10296a(13) =11760a(14) =11760a(15) =11760a(16) =56160a(17) =56160a(18) =198016a(19) =198016a(20) =1176480a(21) =1323008a(22) =2992500a(23) =6240366a(24) =13442580a(25) =13442580a(26) =37536408a(27) =37536408a(28) =90725804a(29) =90725804
External references
- oeis: A175516