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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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)