Continue The Sequence #2

Given are 3-5 numbers each. Name the number that follows the sequence.

only (!) mathematical sequences

Easy - Medium - Hard

Q14 and Q15 are extra hard

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Last updated: November 26, 2024

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First submitted	November 15, 2024
Times taken	30
Average score	53.3%
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Sequence	Answer
2, 3, 4, 5,	6 (+1)
7, 9, 11, 13,	15 (+2)
1, 4, 9, 16,	25 (Square Numbers)
2, 3, 5, 7,	11 (Prime Numbers)
5, 3, 2, 1,	1 (Fibonacci Sequence, backwards)
1, 4, 13, 40,	121 (*3+1)
2, 4, 8, 16,	32 (Powers of 2)
1, 3, 6, 10,	15 (Triangular Numbers)
1, 2, 6, 24,	120 (Faculties, n!)
(1), 1, 3, 5, 11,	21 (Mersenne Numbers)
1, 11, 21, 1211,	111221 (Look-and-Say-Numbers)
11, 19, 29, 41,	55 (n^21, n=3 - n=7)
1, 4, 10, 20,	35 (Tetrahedron Numbers)
42, 132, 429, 1430,	4862 (Catalan Numbers, n=5 - n=9
1, 7, 41, 239,	1393 (Approximation of Pi with the Tangent Chain)

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