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# Sequences & Series I

Curated by : goc3

Sequences & Series I Master

+50 points

Problem Title Likes Solvers Difficulty

#### Problem 189. Sum all integers from 1 to 2^n

Created by: Dimitris Kaliakmanis

53

9302

#### Problem 240. Project Euler: Problem 6, Natural numbers, squares and sums.

Created by: Doug Hull

6

1100

#### Problem 566. Sum of first n terms of a harmonic progression

Created by: Srivardhini

2

272

#### Problem 232. Project Euler: Problem 2, Sum of even Fibonacci

Created by: Doug Hull

19

949

#### Problem 240. Project Euler: Problem 6, Natural numbers, squares and sums.

Created by: Doug Hull

6

1100

#### Problem 317. Find the stride of the longest skip sequence

Created by: Ned Gulley

Tags sequences

6

110

#### Problem 415. Sum the Infinite Series

Created by: Roger Stafford

8

95

#### Problem 434. Return the Fibonacci Sequence

Created by: Matt Fig

Tags fibonacci

6

608

#### Problem 566. Sum of first n terms of a harmonic progression

Created by: Srivardhini

2

272

#### Problem 594. "Look and say" sequence

Created by: Alex Feinman

1

157

#### Problem 752. Is X a Fibonacci Matrix?

Created by: Sean de Wolski

Tags fibonacci

9

268

#### Problem 1084. Square Digits Number Chain Terminal Value (Inspired by Project Euler Problem 92)

Created by: @bmtran (Bryant Tran)

1

176

#### Problem 1190. Golomb's self-describing sequence (based on Euler 341)

Created by: James

3

112

Created by: Tim

7

581

#### Problem 2371. Integer sequence - 2 : Kolakoski sequence

Created by: rifat

4

109

#### Problem 2423. Integer Sequence - II : New Fibonacci

Created by: rifat

13

268

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