a(n) = least common multiple of {1, 4, 7, 10, 13 ..., 3n+1} (A016777).
A051536
a(n) = least common multiple of {1, 4, 7, 10, 13 ..., 3n+1} (A016777).
Terms
- a(0) =1a(1) =4a(2) =28a(3) =140a(4) =1820a(5) =7280a(6) =138320a(7) =1521520a(8) =7607600a(9) =7607600a(10) =235835600a(11) =4009205200a(12) =148340592400a(13) =148340592400
External references
- oeis: A051536