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It could be
t(n) = (4n4 - 32n3 + 104n2 - 136n + 63)/3 for n = 1, 2, 3, ...
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∙ 12y ago
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The number which best completes the sequence of 1 5 17 53 161?
1 + (4) = 5 5 + (4x3) = 17 17 + (4x3x3) = 53 53 + (4x3x3x3) = 161 161 + (4x3x3x3x3) = ?
1 5 17 53 161 485?
Next number in the series is 145715(5-1) x 3 = 12 + 5 = 17,(17-5) x 3 = 36 + 17 = 53,(53-17)x 3 = 108 + 53 = 161,(161-53)x 3 = 324 + 161 = 485(485-161)x3= 972+485=1457
The number that best fits 1 5 17 53 161?
the rule is mutltiply by 3 and add 2... hope that helps.
What completes the sequence 1 5 17 53 161?
491
What is the next number in this sequence 1 5 17 53 161?
485
The number that best completes the sequence of 1 5 17 53 161 is?
485
The number which best completes this sequence 1 5 17 53 161 is?
335
The number that best completes the sequence 1 5 17 53 161?
485
The number that completes the sequence 1 5 17 53 161?
The next number is 485.
What is next in sequence 1 5 17 53 161?
Each term in the sequence is three times the previous term plus two, so the next term is 485.1 (3 x 1 + 2) 5 (3 x 5 + 2) 17 (3 x 17 + 2) 53 (3 x 53 = 2) 161 (3 x 161 + 2) 485
The number which best competes the sequence 1 5 17 53 161?
485 You arrive at 485 by multiplying the difference in the numbers by 3,and adding to the number.i.e 5 minus 1 = 4, 4 x 3 = 12 + 5 = 17, 12 x 3 = 36 + 17 = 53, 36 x 3 = 108 + 53 = 161, 108 x 3 = 324 + 161 = 485.
What is the number Wichita best completes the sequence 1 5 17 53 161?
Try: 161+324 = 485 would seem to fit the pattern
