Question 19
What is the next number in the pattern? Continue the regular pattern of increasing differences.
1, 5, 13, 25, 41, ...
Answer format: one whole number, without units. Leading zeros are optional; the printed answer sheet uses four digits.
1, 5, 13, 25, 41, ...
Answer format: one whole number, without units. Leading zeros are optional; the printed answer sheet uses four digits.