WITH Bits AS ( SELECT 1 AS BitMask UNION ALL SELECT 2 UNION ALL SELECT 4 UNION ALL SELECT 8 UNION ALL SELECT 16 ) SELECT SUM(DISTINCT BitMask) FROM ( SELECT 1 AS n UNION ALL SELECT 2 UNION ALL SELECT 3 UNION ALL SELECT 4 UNION ALL SELECT 5 UNION ALL SELECT 6 ) AS t JOIN Bits ON t.n & Bits.BitMask > 0