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10 cards from this deck
Ordered list of numbers following a specific pattern
General term at position nnn in the sequence
Terms that appear one after another in sequence
Constant difference between successive terms
ddd
d=Tn−Tn−1d = T_n - T_{n-1}d=Tn−Tn−1
Constant second differences between terms
Tn=an2+bn+cT_n = an^2 + bn + cTn=an2+bn+c where a≠0a \neq 0a=0
First differences are constant
Second differences are constant
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