ARITHMETIC PROGRESSIONarithmetic progression · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:ARITHMETIC PROGRESSIONTier 1Ordinal261Pythagorean117Classical249Reverse306Reverse Reduction126Standard1835Final Large2485Ordinal242Reduced62Atbash536Isopsephy1383Ordinal258Abjad1780